Perlite – Grow Weed Easy https://www.growweedeasy.com Learn How to Grow Cannabis with Simple Tutorials Thu, 30 Jul 2026 22:41:03 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.3 https://www.growweedeasy.com/wp-content/uploads/2018/03/favicon-grow-weed-easy-1.png Perlite – Grow Weed Easy https://www.growweedeasy.com 32 32 Grow Weed Easy – Learn How to Grow Cannabis Tutorials https://www.growweedeasy.com/ Tue, 17 Oct 2017 22:07:58 +0000 https://www.growweedeasy.com/?page_id=8997 Grow Weed Easy – Learn How to Grow Cannabis at Home GrowWeedEasy.com teaches you the secrets of cannabis home grow. Start Here: How to grow weed Get Seeds: Safe seed sources Sick Plants? See the plant doctor When to Harvest? Harvest guide Get the 5 Keys to Growing Weed Plus free grow tips Sunday at...

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Grow Weed Easy – Learn How to Grow Cannabis at Home

GrowWeedEasy.com teaches you the secrets of cannabis home grow.

Get the 5 Keys to Growing Weed
Plus free grow tips Sunday at 4:20am.


Get help from real home growers. Email privacy.

Turn cannabis seeds into weed at GrowWeedEasy.com. Ensure you get "beginner's luck".

Get cannabis seeds at Seed Supreme or see our full list of our favorite cannabis seed banks.

Growing weed is easy when you know what to do, but most “how to grow marijuana” tutorials leave you feeling like you need a degree in horticulture.

GrowWeedEasy.com only contains useful cannabis grow tips, tactics, and lessons from actual home growers with years of growing experience.

Even a total beginner can consistently produce top-shelf weed by following our step-by-step home grow tutorials. 100% written by humans who care.

Who Made GrowWeedEasy.com?

Grow Weed Easy.com was started in 2010 by home growers Nebula Haze and Sirius Fourside. Together, we built a free online “encyclopedia of cannabis home grow” with 650+ expert home cannabis cultivation tutorials about every aspect of growing weed.

New to growing cannabis? Beginner growers start here to learn how to grow a few marijuana plants indoors!Pot plant problems? This page will help you diagnose your sick cannabis plants and get the fix!Learn how to train your marijuana plants for better yields - this cannabis plant training tutorial is a free way to get bigger buds!

GrowWeedEasy.com is now the biggest and most comprehensive source of free home grow information in the world.  We show you how easy it is to grow your own marijuana at home.

The GrowWeedEasy.com Ethos

Our Goal: You grow as much top-shelf weed as possible, with as little time and effort needed to grow your desired yields and cannabis bud quality.

Whether you’re a total beginner who wants to start growing cannabis indoors for the first time, or an experienced grower who wants to upgrade your skills to Pro level, this website was built for you.

 


 

Looking for a complete harvest system?

If you want dense, beautiful, great-smelling weed, our new digital book gives you our complete harvest system. Follow the straightforward instructions and massively upgrade your next harvest. A few small changes can make a huge difference to your results.

Get our fool-proof harvest system.

HARVEST book by GrowWeedEasy.com. In this one-of-a-kind digital book, learn the best methods to harvest cannabis. Written by expert home growers, learn the insider tips and tricks to a perfect harvest, dry, and cure!

 


 

FOR SERIOUS GROWERS ONLY

🌟 $200 Off Special Offer: Enroll today in Home Grow Masterclass!

If you’re reading this right now, you want to grow great cannabis at home.

Cannabis plants isn’t a regular house plant, but learning how to grow isn’t as complicated growers make it seem. We’ve spent the last 16 years breaking down the home grow process so anyone can learn it.

The key to consistent harvest results is simple: follow a proven system developed for home growers.

You could waste an entire grow learning through trial and error…

Or take the shortcut and harvest a sea of fat, dense, beautiful buds that smell great. At home!

Follow our 5-week course and get walked through each part step-by-step. Build by experienced home growers and honed with hundreds of students since 2019, we ensure you achieve great results on your very next harvest.

Learn How To Grow Top-Shelf Weed at Home!

Home grown buds from this "how to grow weed" tutorial

Start Your First Class TODAY!

 


An indoor cannabis harvest - growing a pile of weed is incredibly rewarding at harvest time!

You may be asking yourself these common growing questions:

“How do I grow marijuana indoors?”

Read this guide on how to grow marijuana indoors. Or check out this article to learn what materials you need to get started growing your own marijuana!

Luckily, it’s really easy to get a cannabis seed to sprout!

A cute young seedling - it's ready to start growing!

“How much money will it cost to get started?”

If you’re considering growing weed, it costs as little as $300 to get started growing or a bit more for a semi-automatic, high-yielding bubbleponics grow system. See examples of yields to expect, electricity use & startup costs for different setups. Read this article to see even more growing styles with different price ranges.

“Where can I get marijuana seeds?”

Check out our How to Buy Marijuana Seeds Online Guide (with delivery to every state of the USA) to safely get your hands on good genetics. Starting with good seeds lets you choose the looks, smell, and effects of your buds!

Learn where it’s safe to buy cannabis seeds online (2026 update).

Where’s is the best place to get cannabis seeds? Click here to get our current marijuana seed bank recommendations in 2026!

What do good cannabis seeds look like?

Cannabis seeds - tan and dark brown tiger strips seeds separated

Learn about the best marijuana beginner strains and how to research and find the right strain.

Cannabis buds are generally green, but can also be pink or purple with certain strains.

Example of purple and green buds that have been grown at home

“How much will electricity cost each month?”

If you’re just growing a few marijuana plants for personal use, it will cost you $20-$100+/month for electricity, depending on what grow lights (electricity) and nutrients you use. On average, I’d say a hobby-size grower might pay about $50/month to grow, but it depends greatly on your setup and local electricity costs! How much will electricity cost each month?

“How can I increase my marijuana yields?”

We have quite a few techniques to choose from or combine! See some of our most popular pages:

Even More Ways to Increase Cannabis Yields

  1. Increase Light Intensity (plus choose right light for desired yields & possibly add CO2)
  2. Manipulate How Plants Grow (a free way to yield more bud indoors)
  3. Provide Right Nutrients (low Nitrogen in the flowering stage, and remember sometimes less is more!)
  4. Control Growing Environment (let the growing environment work for you)
  5. Harvest Plants Properly (most importantly, don’t harvest early!)
  6. Lastly, it’s important to remember that the strain has a major effect on yields!

Two small cannabis plants can yield several ounces of premium weed!

Growing cannabis buds on a small plant like this can give impressive yields without taking that much room or needing much time - get tutorials to grow your own weed like this!

“How can I grow weed privately?”

Read guide on growing weed indoors without anyone knowing. But remember the most important factors to stealth growing: “No tell, no smell, no sell.” Never tell anyone, not even your best friend, that you’re growing. Be on top of preventing smells, and never ever sell cannabis. Breaking one of those 3 principles is how 99% of growers get found out!

“What if my plants get sick?”

If you run into problems, our "diagnose your plant" tool with pictures will help you figure out what's wrong!The most common issue a grower runs into is a pH imbalance. Barring that, your marijuana plants likely either have a nutrient deficiency, heat or light stress, or are being attacked by some sort of marijuana mold, pest or bug. Whether you call it weed, cannabis, sinsemilla, skunk, pot, marijuana, or something else, the plant known as Cannabis Sativa is a hardy weed in the wild and can actually be easy to grow indoors at home when you know what to do.

Growing Medical Marijuana

“Medical marijuana” has become a household name. The body of evidence for medical marijuana in the treatment of cancer and other illnesses is growing every day. And for those who need medical marijuana, growing weed indoors is the perfect way to ensure a safe, regular supply of buds, for cheap.

In fact, when you grow weed indoors for personal use, you often end up with way too much. The Grow Weed Easy website will teach you how to grow your own beautiful huge cannabis colas like this one! If you catch the growing bug like I did, and if you start enjoying the process of tending your cannabis garden just for the sake of gardening, you’re going to have to find a way to press, cook, freeze, and concentrate all your extra buds. 🙂

As you probably know, both medical marijuana and recreational cannabis have been decriminalized or legalized in many places around the world and weed is becoming legal in more places every day! Yet there still aren’t many simple indoor “how to grow weed” guides for beginners (even for those who legally grow, such as medical marijuana users and those who live in places where marijuana is legalized for personal use).

If so, I know how you feel. It can be hard to weed out all the bad information on the internet and find well-researched, free tips or instructions on how to grow your own cannabis. That’s why Grow Weed Easy.com aims to be a simple online resource that explains from start to finish what you need to do when growing cannabis so you can learn how to grow cannabis with great yields and potent buds, even if you only have a small grow space like a closet or even a computer case.

We’ve grown cannabis out of closets and have gotten ounces of buds and you can too. Grow Weed Easy.com covers many popular cannabis cultivation topics, including:

Start Growing Weed Today!

Grow Weed Easy is run by a panel of experienced cannabis growers, including the founders Nebula Haze and Sirius Fourside, who originally teamed together to bring you GrowWeedEasy.com. Due to the demand for more marijuana growing information, we’ve also started an inbox magazine all about how to grow weed, with additional tutorials, tips, and tactics sent to you each week. Simply sign up to start getting free expert growing articles delivered to you! All the information available at GrowWeedEasy.com is completely free and we regularly update the site and make new additions.

Looking for a growing book?

If you are interested in doing a bit of reading or would like to know more about the science behind marijuana hydroponics or horticulture, I strongly recommend viewing our page of Marijuana Grow Book Reviews. Read reviews of marijuana grow books. We would love to hear about your experiences with growing cannabis. Whether you are a pro grower already or are just starting your first plant, we have learned so much from our readers both beginners and masters! If you have any suggestions, comments, concerns, or just want to ask some questions about your marijuana grow, please contact us!

Happy Growing!
Nebula Haze & Sirius Fourside

 

Get our fool-proof harvest system.

HARVEST book by GrowWeedEasy.com. In this one-of-a-kind digital book, learn the best methods to harvest cannabis. Written by expert home growers, learn the insider tips and tricks to a perfect harvest, dry, and cure!

 


 

Home Grow Masterclass – FOR SERIOUS GROWERS ONLY

Online class to learn how to grow weed (for home growers)

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5 Time-Savers for Busy Cannabis Growers https://www.growweedeasy.com/time-saving-strategies-for-busy-growers Sat, 23 Apr 2016 19:52:14 +0000 https://www.growweedeasy.com/newsletter_issue/5-time-savers-for-busy-growers/ by Nebula Haze


Table of Contents

  1. Choose an Easy Setup
  2. Get Gear to Make Things Easier
  3. Re-Arrange the Grow Space
  4. Grow a Time-Saving Strain
  5. Train Plants the Right Way

 

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by Nebula Haze

Table of Contents

  1. Choose an Easy Setup
  2. Get Gear to Make Things Easier
  3. Re-Arrange the Grow Space
  4. Grow a Time-Saving Strain
  5. Train Plants the Right Way

Healthy cannabis plants vigorously filling a grow tent with vegetative greenery

Are you thinking about growing cannabis for the first time, but are afraid it will take too much time? Or maybe you have been growing for years, but feel like caring for your plants is too time-consuming.

Every single growing style has its pros and its cons. There are ways to grow cannabis that take a lot of time tending the plants, but there are setups that do a lot of the work for you so you don’t spend as much time on them day-to-day.

Even a few small adjustments can make a big difference!

As you go through this article you’ll realize that you can’t do all of these things at once, but this list will give you several ideas on how to shave off time depending on your personal grow style!

In addition to this article, you may also enjoy Sirius Fourside’s guide to saving time during your grow!

Clock signifying that busy people still have the time to grow their own cannabis!

 

1.) Choose a Less Time-Consuming Setup

Your responsibilities as a grower change quite a bit depending on how you set up your garden in the beginning. I’ve included some info (and the pros and cons) for cannabis grow setups that tend to be the least time-intensive for growers.

Grow Outdoors

Growing marijuana outdoors is a huge time-saver compared to growing cannabis indoors!Growing outdoors is pretty much guaranteed to take less of your time each day than growing indoors. When you’re growing indoors, you take the place of mother nature, which means you have to maintain the perfect environment and tend to your plants regularly. No matter how efficiently you do it, maintaining a growing environment indoors is going to take more time than letting nature do it for you.

When growing outdoors you’ll still get the best yields and results by checking on your plants regularly, but once every week or two can be more than adequate for many outdoor growers. Some outdoor growers will spend weeks between visits to their grow sites.

Grow with Super Soil

Super soil” is a term sometimes used in the growing cannabis community to describe amended & composted soil. Super soil is formulated to give cannabis roots an environment where you don’t need to worry about pH or nutrients.

In a lot of ways, growing with super soil is what people “expect” growing cannabis in soil to be like. You put your seeds in a pot with the soil, and water your plants when they’re thirsty. Other than that the soil takes care of providing nutrients to the roots.

Why super soil? Cannabis plants have unique nutrient needs and use such high levels of nutrients that you will quickly start seeing nutrient deficiencies when using other growing mediums (like regular potting soil or coco coir) unless you provide nutrients with your water and regularly check the pH (which makes nutrients more available to your plant). Measuring out nutrients and checking the pH can take several minutes every time you mix up your water.

Worms will make your organic super soil even better for your marijuana plants

With super soil, instead of adding nutrients to your water, you pack the soil with natural sources of nutrients that slowly break down over the course of your grow, feeding even the voracious nutrient appetite of a cannabis plant. Instead of managing the pH so nutrients are able to be absorbed by your plant, the composting process enlists the help of microorganisms in the soil to do that work for you.

Learn more about growing with super soil

Grow Hydroponically

Super soil and hydroponics are very different from each other. In fact, you could say they’re pretty much on complete opposite sides of the spectrum when it comes to grow styles. Yet they have one thing in common; they are both good at doing a lot of the work on their own so you don’t have to, even if they save time in completely opposite ways…

In hydro, the cannabis roots are grown directly in a reservoir of nutrient water

In a DWC / hydroponic marijuana growing setup, the cannabis roots are grown directly in a reservoir of nutrient water

When growing in a container, even with super soil, your plant roots enjoy wet/dry spells, and do best being watered every few days. (Learn how to water your plants perfectly every time) Each time you water your plants, you ideally need to wait for extra runoff water to come out the bottom, then remove the runoff so your roots aren’t sitting in it. For me, that can end up taking 10 minutes or more if I have a couple of plants (I’ll share some tricks below on how to make that process go faster).

With a hydroponic setup your plant roots live in a water reservoir so you never have to worry about runoff water, and because a water reservoir can hold a lot of water at once it means you can go long periods of time without having to water your plants. There have been times in my life where I only tended to my hydro plants on the weekends (which I don’t recommend, but life happens!), which would be tough to do with a container-grown plant.

With hydro, a large reservoir can hold enough water to last for days, or even weeks in the early stages of a plants life. Some days, all that’s needed is just a quick visual check-in if anything at all!

When growing cannabis in a hydroponic / DWC setup, your reservoir holds enough water to last a week or more

Additionally, if you make up big batches of water each time, you can often go a long time between having to mix batches. That way when your reservoir water does get low you can simply fill it up again with your “reserve” nutrient water. I’ll talk about this a little bit more below, but the type of non-organic nutrients that are used for hydroponics can be pre-mixed with water for several weeks without any problems. This lets you focus on caring for your plants and training them instead of worrying about mixing up new water all the time.

As a bonus, plants grow faster hydroponically than any other grow style, which means you spend less time waiting for harvest time!

Learn how to grow hydroponically

Get Nutrients That Let You Mix Water Ahead of Time

When you need nutrient water for your cannabis plants, it can take several minutes to make up a new batch every time you water.

Instead, as mentioned earlier you can make a lot at once and only use it as needed.

But how long can you store pre-mixed nutrient water?

  • Nearly all nutrients can last at least 1 week after being mixed with water without any negative effects on your plants

  • For nutrients comprised solely of inorganic ingredients, your pre-mixed nutrient water can last for 2-3+ weeks without a problem even if the nutrient water is just sitting in the container.

How do you know which is which? Look at the label of your nutrients where it says “Derived from”

Look at the label of your nutrient bottle where it says "Derived From"

All the ingredients in the above picture are inorganic minerals and “chemical salts.” They all have “molecular” sounding names. When it comes to hydroponic nutrients, you will almost always see these types of ingredients specifically because they will not cause reactions or problems even when sitting in water for long periods of time.

But it’s not just hydro! Lots of soil and coco coir nutrients also use the same sources of nutrients because these specially derived mineral sources don’t need to be broken down and are available to your plant immediately.

As long as you don’t see any organic ingredients on the label, you know your nutrient water can be premixed for 2-3+ weeks. If you do spot organic ingredients on the label (like “seaweed extract” in this next example) then you probably shouldn’t let your nutrient water sit as long because organic material tends to start up biological processes. Ultimately this could cause things to grow in your water, possibly altering the nutrient content or even introducing some nasty microorganisms to your plant roots.

If you see any organic ingredients listed, like “seaweed extract,” don’t let your mixed nutrient water sit for longer than a week.

This product label shows that an organic substance, seaweed extract, has been used as one of the ingredients

Learn more about different types of cannabis nutrients

Note: No matter what nutrients you’re using, make sure any pre-mixed nutrient water gets stored in a cool, dark place!

2.) Get the Right Gear

When you choose the right gear it can help you save minutes here and there, which really starts to add up!

Get a Bigger Plant Container So You Water Less Often

One way to get away with watering your plants less often is to grow them in a bigger container. This is because your growing medium can hold more water at a time, so it takes longer for your plant to drink it all before needing to be watered again.

These seedlings are in very large containers, which means they need to be watered far less often.

Some things to keep in mind: When growing in big containers, you’ll get the fastest growth by starting your plants in smaller ones first, then transplanting them to bigger ones as they grow. But that also takes time. It’s much easier to start your seeds directly in big containers from the beginning so you can skip transplanting altogether. The one downside to that is seedlings tend to start a little slower at first in big pots (why?), but once your plant gets going they grow just as fast as any other container-grown plant and you’ll still get the benefit of watering less often.

Read the full article about plant containers

Avoid Smart Pots & Air Pots

If your goal is to water less often, avoid using a fabric pot (Smart Pot) or a container with holes on the sides (air pot). Although cannabis plants tend to grow faster in these types of containers, the pots dry out much more quickly since the soil is getting air from the sides. This means you end up needing to water them much more often than a similar-sized “traditional” plant container.

Learn more about Smart Pots & Air Pots vs Regular Pots

Examples of Smart Pots (fabric pots) and Air Pots (containers with holes along the sides)

Get the Right LED Grow Lights

For most home growers, the best choice is LED grow lights to grow weed. LEDs grow great weed, are electrically efficient, and cheap to get started with.

If saving time is your main goal, get a simple, proven setup. That way you don’t have to think about the lights.

This 2’x4′ footprint makes it easy for you to reach all the plants, and fits in a corner of a bedroom.

This 300W LED grow light kit on Amazon grows about 8-14 oz of buds on average.

Mars Hydro cannabis grow tent kit for beginners

Learn more about different LED grow lights

Don’t DIY Everything

Although doing things yourself can save you a lot of money, having to make your own tools for the job almost always ends up taking more time. It’s like if you decided to use a rock to drive nails into wood instead of a hammer. You wouldn’t have to invest money in a hammer, but using a rock is going to take you a heck of a lot longer and not do as good a job!

One simple example when it comes to growing marijuana is using plant ties, which are a tool specifically made for bending and securing stems for plant training. Plant twisty ties unwind from a spool and an attached cutter lets you easily cut each tie to the perfect length in seconds. They are made to be strong enough to hook onto your plants and secure stems where you want, but not strong enough to accidentally hurt them.

Save time by using specially made plant twisty tie to secure your stems, not some random item around the house like wire or pipe cleaners!

Twist tie almost directly translates into larger yields when used properly!

If you wanted to save some money, you could skip getting plant ties altogether and just find something from around the house to secure your stems, like pipe cleaners. They both accomplish the same thing in the end, but with pipe cleaners you would likely have to tie several of them together each time you need to secure a stem. An extra minute here and there starts to add up after a while!

In addition to the time savings, DIY stuff often doesn’t last as long or work as well as tools made for the job. For example plant twisty ties are made of smooth plastic that is unaffected by water, while pipe cleaners are “hairy” and can easily start molding or running into other problems from being exposed to moist conditions. Unexpected malfunctions with DIY stuff can cause problems that take time away from your busy life!

Other handy tools specifically made for growing purposes include plant yo-yos (for holding up falling plants), a convenient grow tent (easier than building a grow space from scratch), and rope ratchets (adjust lights up and down with a few clicks). Each of these grow room accessories are cheap but can shave off a few minutes when you’re tending to your plants!

More growing tools you might not know about

Handy tools for making growing cannabis just a little bit easier

3.) Optimize the Grow Space

Some of these ideas are little things and may only take a few minutes to set up, but can end up saving you so much time and frustration during your grow!

Make Sure You Have an Easy Way to Get Water

When it’s hard to get water, not only are you less likely to make up your water on time, it ends up taking more of your time.

Learn how to get water from a too-small sink

  • Learn how to get water from a too-small sink. If your grow space is near a sink, but you can’t fit your water container under the faucet, you can install an easy-release adapter that lets you easily “snap” a hose onto your sink. In my house, the only suitable place to fill up water is a little ways from my grow space, but with this adapter, I can use the bathroom sink on the same floor so I never have to lug water up a flight of stairs.

  • Get a good-sized water container to mix up nutrient water. If you’re making up several 1-gallon containers of water at a time, consider getting a bigger container so you can make more at once.

  • Don’t try to carry too much water at once. This doesn’t necessarily save time, but will save a lot of effort. If you can’t use a hose to get water directly to your grow space, try to think about how much water you’re expecting yourself to carry on a regular basis. I used to use a single 5-gallon jug to make up water for my plants because I wanted to make a lot of water at a time. The problem was that  I had a hard time carrying a jug with 5 gallons of water in it. I switched to using two 3-gallon jugs because they’re easier to carry/handle than a single 5-gallon jug and that works a lot better for me!

Make It Easy to Dispose of Water

When watering cannabis plants grown in containers, you want to give your plants enough water every time to get 20% extra runoff water out of the bottom. Making sure to water your plants thoroughly each time means you have to water less often, and cannabis plants grow faster when they get wet/dry cycles.

But in order to prevent soggy roots and plant drooping, you also want to make sure to remove that runoff water right away so your plants aren’t sitting in it. Sometimes that’s easier said than done!

If you’re growing with containers and each one has its own saucer, you have to physically pick up the plants every time you want to empty the saucers of runoff water. If you only have one smaller plant it’s not really a big deal, but the more plants you’re growing at a time and the bigger your plants get, the bigger of a pain this is.

You don’t want to have to empty each saucer one at a time after you water your plants

You don't want to have to empty your saucers one at a time when you water your plants

One solution is to put all your plants on a tray that will catch water, and put something small like a block of wood under the tray opposite you to make an incline. This makes it so all the runoff water drains to the front of the tray.

These trays are on a slight incline so runoff water immediately pools to the front

These cannabis plants are on inclined trays so all the runoff water pools to the front

At this point, you can take something like a wet vac (I like this bucket vacuum attachment which hooks onto any 5-gallon bucket to make an ultra-cheap wet vacuum) to quickly suck up all the runoff water without having to move the plants at all.

Easy Access to Plants

This may seem simple but when it comes to making sure you pay enough attention to your plants without having to spend a lot of time on them, it’s super important to make sure you can easily access your plants. Every extra obstacle between you and your plants is going to cost a little extra time. So whenever possible try to make sure you have a clear path to the grow space, and that you have an easy-to-open grow tent, closet, or grow box.

The main idea is to make it so when you decide to check on the plants it only takes a second. That being said, don’t make your grow area easy to access for other people!

Make Sure the Tools in Your Grow Space Are Easy to Reach

You might not realize you’ve been wasting time going across the room every time you need to get your nutrients or a pH pen. When possible, you want every tool you use (measuring spoons, nutrients, pH testers, eye protection, grow journal, camera, etc) to be within arm’s reach so you don’t have to get up or move while tending your plants.

Taking a little time on a lazy afternoon to really think this one through and set things up right will save you a surprising amount of time and effort in the long run!

 

4.) Choose the Right Strain

Each strain grows and produces a little differently. Some strains may be better than others for your purposes!

Choose a Hardy Strain

Many strains have been specifically bred to be able to handle a wide range of conditions. These “easy to grow” strains can handle heat, cold, high humidity, and watering problems better than other strains. When you start with a known hardy strain, you can provide less-than-ideal conditions and care, but still get really great results. I’m not recommending you don’t care for your plants properly, but a hardy strain will let you get away with more without suffering as many consequences!

If you’re looking for suggestions, one highly recommended strain for first-time growers is Northern Light. It’s an award-winning strain that is easy to grow, potent, stays short, quick to harvest, and mold-resistant. It’s the first strain I ever grew and those plants went through a lot but still made it to harvest!

I Put This Northern Light Plant Through a Lot But It Stayed Healthy!

Example of the "Northern Light" cannabis strain by Nirvana

That’s one popular example, but there are tons of strains that are great for this purpose. When researching strains, the breeder will usually mention in the strain description if a plant is particularly hardy.

Learn more about researching to find the right strain. Also here are a few hand-picked heat-resistant strains and mold-resistant strains to help get you started.

Consider Growing an Auto-Flowering Strain

Example of several auto-flowering cannabis strains at different stages of lifeWith auto-flowering plants, there is simply less for the grower to do. There’s little to no plant training (which can take quite a bit of time, more info on that below). There’s no light schedule to worry about and your buds will be ready to harvest in about 3 months without needing any special environmental conditions.

Another nice bonus is you have the ability to access your plants 24 hours a day (as opposed to flowering photoperiod plants that need 12 hours of complete darkness every day in order to make buds). This makes it so you can check on plants when it’s convenient instead of waiting for the lights to come on!

The one downside to auto-flowering plants is they can become stunted if they run into major problems during the first 3-4 weeks of life. So if you do go with an auto-flowering strain, you definitely want to try to make sure you keep a close eye on your plant until the first month is over. You may not have to do any extra work, but you still should be on the lookout for possible problems. If possible, choose an auto-flowering strain that is known to be hardy!

Learn more about auto-flowering vs photoperiod (“regular”) strains

 

5.) Plant Training

Growers train their plants because it’s a free way to dramatically increase yields indoors, sometimes up to 40% or even more compared to untrained plants. But although training increases yields, it does take time.

In my opinion, the best way to train your plant to get increased yields without wasting a lot of time is by using a technique known as manifolding.

Note: Manifolding adds extra time onto the length of your grow, but will minimize the amount of time and effort spent training your plants (while still ensuring exceptional results).

Example of a “Manifolded” Cannabis Plant With a Wide, Flat Shape & Many Colas

An example of a cannabis plant that has been trained to have a manifold

Why Manifolding?

All types of indoor cannabis plant training have the same goal – to create a wide and flat plant, with an even canopy like a table. This helps the plant get the most possible amount of light from the grow light. But there are many ways to accomplish this table-top shape, from simply bending stems (Low-Stress Training) to using screens (ScrOG).

Manifolding is one way to accomplish the table shape, and there are a couple of reasons I think it’s the best way to train your plants without needing a lot of time:

  1. There’s less guesswork on your part compared to many other training techniques. You just follow the instructions exactly and it’s very clear without you having to think about anything.

  2. It only takes two sessions to make your manifold, which takes just a few snips of the scissors.

  3. After that, you’re pretty much done. As the plant grows, your only job is to arrange colas to make sure they all stay exposed to the light and none of them gets taller than the others.

Read the full manifolding tutorial

Note: Manifolding can only be done with photoperiod plants, not auto-flowering strains (why not?).

Or don’t train at all…

You might consider just skipping training altogether because you can still get great yields with untrained plants if you do it right.

Some growers use a technique called SoG (Sea of Green) to get the biggest yields without doing any training. Basically, the idea is to just grow a few or many untrained plants, and get them to make buds right away so you get a “sea” of plants with one main bud each. This can be a good choice for both photoperiod and auto-flowering strains, and in addition to taking no time training, harvest time comes quick!

SoG in action – This technique uses many small plants to create that flat shape with many colas, but without any training at all

Moving gif showing Sea of Green (SoG) in action

One last tip…

Research before you start growing!

You can just put a cannabis seed in regular potting mix and deal with problems as you go along, and honestly, that’s how a lot of people start growing, including me! But doing it that way definitely ends up taking more time (and often money) because you end up running into problems or realizing along the way that you need to change up your setup.

I know this may be easier said than done, but if your goal is to grow cannabis without needing to spend much time each day caring for your plants each day, the best thing you can do is take the time to research before you even get your seeds!

Here’s a list of research topics to help you get started!

To save time, research how to grow cannabis before you ever plant your first seed!


 

Jump to…

Growing Cannabis with Super Soil

How to Use Coco Coir as a Growing Medium

Top-Fed DWC (Bubbleponics) Tutorial

How do I produce top-shelf buds every time?​​​​​​​

 


 

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Link Guide to Growing Cannabis Tutorials https://www.growweedeasy.com/link-guide-growing-cannabis Mon, 01 Feb 2016 03:08:57 +0000 https://www.growweedeasy.com/faq/link-guide-to-growing-cannabis-tutorials/ ...lights Environment Create the Perfect Growing Environment Temperature Tutorial 5 Secrets to Heat Control Control Humidity for Better Buds How to Use Reflective Walls to Increase Yields Indoors How to...

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by Nebula Haze

In addition to the search bar, this link guide helps you navigate through the Grow Weed Easy website. Learn about growing topics you won’t find anywhere else! This is a shortened list of all our cannabis growing tutorials, as the website has over 500 articles and tutorials!

Full List of EVERYTHING on GWE  ← Over 500 Articles & Growing Tutorials!

Start Here – Beginner Grow Guides

Cannabis Life Stages

Choosing…

Common New Grower Topics

Problems & Symptoms

Plant Training (Indoor Tricks for Bigger Yields)

Grow Mediums

Nutrients

Grow Lights

Best LED Grow Light Articles

Environment

Plant Care Tutorials

How to Improve…

Buying Seeds

Recommended Strains

Auto-Flowering Strains

Edibles

Extracts (No Solvents Used in Any Recipe)

And Lots More!

Safety & Preparation

Just for Fun

Submit Pics

Want More?

 


 

Thanks for visiting! We hope our website helps you find the growing tutorials you were looking for. We’ve written hundreds of growing marijuana articles and unfortunately we can’t fit them all on this page, so we encourage you to use the search bar on the right side (or top of the page for mobile users) to search for articles you don’t see here.

Happy growing!
Nebula & Sirius

 


 

Use this "Navigation" page to find the pot growing topic you're interested in!

Use this “Navigation” page to find the pot growing topic you’re interested in, or click here to see every single page on the website!

A young, cute cannabis seedling that has just germinated. It has its whole life ahead of it!


 

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Smart Pots vs Air Pots vs Regular Pots https://www.growweedeasy.com/cannabis-smart-pots-air-pots Fri, 04 Dec 2015 04:56:45 +0000 https://www.growweedeasy.com/faq/smart-pots-vs-air-pots-vs-regular-pots/ by Nebula Haze

Have you seen fabric pots (also known as "Smart Pots") or "Air Pots" in a local gardening store or online in cannabis growing pictures? Wondering if smart pots and air pots are good for growing marijuana?

The post Smart Pots vs Air Pots vs Regular Pots appeared first on Grow Weed Easy.

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by Nebula Haze

Have you seen fabric pots (also known as “Smart Pots”) or plastic pots with holes in the sides (“Air Pots”)? You may see these in a local gardening store or online in cannabis growing pictures. Are you wondering if smart pots and air pots are good for growing marijuana?

Smart pots and air pots provide extra oxygen to the roots, which is a good thing. In fact, the act of increasing oxygen levels at the roots is a big part of what makes hydro so effective at increasing cannabis growth rates (hydro systems constantly pump air into the water so it’s ultra-oxygenated). Smart pots and air pots capture some of that power. Essentially, growing cannabis in smart pots or air pots gives you some of the advantages of growing hydro while allowing you to still hand-water your plants in soil or coco coir.

Smart Pots & Air Pots Make Cannabis Grow Faster!

Using smart pots or air pots with your cannabis makes them grow faster!

Smart Pots
(Fabric Pots)

Root pouch - fabric plant container for growing weed - get yours on Amazon.com!Get Smart Pots for growing cannabis at Amazon.com!Viagrow fabric pot - although there are different brands of fabric pots, they all work great for growing marijuana

Air Pots
(plastic containers with holes on the sides like Swiss cheese)

Air pots - these plant growing containers help get more oxygen to cannabis roots - buy one on Amazon.com!

However, there’s no one size fits all when it comes to growing weed. All types of containers have their strengths and weaknesses for growing weed, which I’ll outline for you quickly:

Quick Review: Regular Containers vs Smart Pots & Air Pots

  • Cannabis plants grow faster in smart pots or air pots (especially in the vegetative stage), in part because plant roots get plenty of access to oxygen
  • Cannabis plants in smart pots or air pots can’t really become root-bound, which is when roots wrap around the edges of the container and “choke” the plant. In a smart pot or air pot, it’s very difficult for the plant to get rootbound since it’s always receiving air from the sides which “air prunes” away any roots trying to wrap around the edges.
  • Cannabis plants are protected from becoming overwatered in air pots or smart pots. The air from the side helps make sure your plant always has plenty of oxygen so your plants don’t get “wet feet.”
  • However, in air pots or smart pots, plants need to be watered about twice as often as regular containers since the grow medium is constantly drying out from the sides.

 

Complete Cannabis Container Breakdown

Regular Pots vs Smart Pots vs Air Pots

Regular Pots for Growing Cannabis

This is a container with a hole at the bottom for drainage, plus a saucer to catch the water.

  • Tried and true method

  • Easy to find at any gardening store

  • Saucer captures runoff water for easy disposal

  • Helps keep growing medium from drying out too fast

  • Usually made out of ceramic or plastic

Get a Tera cotta pot / container for growing weed online at Amazon.com!Bucket - When making your own plant container, cut drainage holes out the bottom - get a 5-gallon bucket on Amazon.com to grow your own cannabis!A plastic nursery pot - get containers like this for growing weed online at Amazon.com!
Terra cota plant saucers make it a lot easier to catch runoff after watering your cannabis - get one on Amazon.com!Plastic plant saucers are a cheaper way to capture runoff water after watering your weed plants - get yours on Amazon.com!Premium plastic plant saucer - these saucers are a little more sturdy than the regular plastic ones - great for more than one cannabis grow - get one on Amazon.com!

A happy vegetative cannabis plant growing in a regular plant container

Smart Pots for Growing Cannabis 

  • A marijuana plant that has been growing in a Smart pot (Fabric pot)A smart pot is a plant container that has been made completely out of a stiff fabric

  • The shape is usually wider/more squat than a regular container, so it may be possible to grow plants in a slightly shorter space, especially compared to an air pot which is tall/thin. However, they take up more width than any of the other containers, so you may be able to fit less containers in a particular space.

  • Indoors, you need an extra large saucer or a tray to capture runoff water since smart pots don’t come with a saucer or tray and they seep out water from the sides. So in addition to the container taking up extra room, so will the saucer.

  • The wide base of a smart pot makes them well suited to growing really large plants, which is why smart pots come in huge sizes in addition to standard plant container sizes. Even giant plants won’t tip over in a smart pot. Many outdoor cannabis growers plant their cannabis in big (600+ gallon) smart pots since they help outdoor plants grow faster than just putting them straight in the ground.

  • More oxygen is delivered to the roots than a regular pot

  • Smart pots help prevent your cannabis from becoming root-bound and needing to be transplanted to a new container. This is accomplished by “air-pruning” roots from the sides, which stops your roots from wrapping around the edges of your container and “choking” your plant.

  • Smart pots make it difficult to over-water your plants, but that also means you will end up watering more often

  • Because smart pots dry out faster than regular cannabis containers, you should get double the size as you normally would, and it’s recommended your final size should be at least a 5-gallon container (anything smaller than that dries out in just a day or two!). So if you would normally get a 2-gallon container for your plants, you’d want to get at least a 5-gallon smart pot to make sure you’re not having to water your plants all the time.

Root pouch - fabric plant container for growing weed - get yours on Amazon.com!Get Smart Pots for growing cannabis at Amazon.com!Viagrow fabric pot - although there are different brands of fabric pots, they all work great for growing marijuana

A fat auto-flowering cannabis plant growing in a smart pot

If you’re going to go big, go with smart pots – your plants won’t by tippy

11 pound cannabis plant grown outdoors in a 400 pound smart pot in Vermisoil

Air Pots for Growing Cannabis

  • An air pot is a plastic container with holes on the sides

  • The shape is taller and thinner than a regular container, so it may be possible to put more plants in a smaller space as long as you have the height

  • The narrow base means plants tend to be less stable on the ground in an air pot, especially if they’re tall, which means large plants can be easy to tip over.

  • Although water seeps out the sides when watering, air pots are tall and thin so you can use a regular sized saucer for each container (if it’s a 5-gallon container, you can use a regular 5-gallon saucer).

  • More oxygen is delivered to the roots than a regular pot, though about the same as a smart pot

  • Air pots help prevent plants from becoming root-bound and needing to be transplanted. This is accomplished by “air-pruning” roots from the sides, which prevents your roots from wrapping around the edges of your container and “choking” your plant.

  • Air pots make it more difficult to over-water your cannabis plants, but that also means you will end up watering more often

  • Because air pots dry out faster than regular cannabis containers, you should get double the size as you normally would, and it’s recommended your final size should be at least a 5-gallon container (anything smaller than that dries out in just a day or two!). So if you would normally get a 2-gallon container for your plants, you’d want to get at least a 5-gallon air pot to make sure you’re not having to water your plants all the time.

Air pots - these plant growing containers help get more oxygen to cannabis roots - buy one on Amazon.com!

The Blue Velvet cannabis plant on the left reacted beautifully to growing in an air pot! On the right is what your cannabis roots look like after growing up in an air pot – all of the roots are reaching to get oxygen from the sides, and absolutely no signs of wrapping like with a rootbound plant!

This "Blue Velvet" strain marijuana plant was grown in an air pot - check out those yields!The roots of a cannabis plant that has been grown in an air pot
cannabis root pic by coco coir expert roll_it_large

 

Which one is the best for growing cannabis? Is it Smart Pots, Air Pots, or regular plant pots?

The truth is these containers are each good in different ways. Some are better suited to some grow setups than others. So let me share my personal opinion…

A Regular Plant Pot is Tried and True

As a general rule a regular plant pot tends to take slightly less maintenance than the others because the growing medium dries out more slowly. Since you can use smaller pots for the same effect, you may be able to fit more plants in a small space.

At the same time, it’s a lot easier to overwater your plant in a regular pot, and you may find your plants quickly become rootbound if you keep them in a too-small container. When a plant is suffering nutrient deficiencies and droopiness from being rootbound, there’s not much you can do to fix it besides transplanting the plant to a bigger container and that can be tough, especially if your plant is already in the flowering stage. I like that you never have to worry about plants becoming rootbound with smart pots or air pots.

These buds and this cannabis plant were grown in a regular plant pot - don't let this article demonize them, they also work great!

Air Pots & Smart Pots Make Cannabis Grow Faster

I’ve tried them both and air pots and smart pots both work amazingly well at increasing cannabis plant growth. A few years ago I even did a side-by-side grow with a regular pot for comparison. From my experience, I don’t think either air pots or smart pots are inherently better than the other. They are both very effective at increasing the vegetative growth rates of your cannabis plants, and they work by doing essentially the same thing – bringing in air from the sides.

Smart pots make cannabis grow faster by bringing extra air to the roots from the side

As far as I can tell, the major differences between the two is mostly physical. Air pots are taller/thinner and made of plastic, while smart pots are wider/shorter and are made of fabric.

If you’re trying to stuff a bunch of plants in a small space, you might want an air pot since they’re thinner, however plants become tippy if they get tall.

If you have a shorter space, you may opt for a smart pot to save a few extra inches of height, and a smart pot is less tippy so it’s more suited to growing outdoors, or any time you’re growing a big plant.

Personally, I like smart pots better, but mostly just because I prefer fabric over plastic. (Check out my last grow journal using smart pots)

Full disclosure: I currently have switched to hydro (you just can’t beat those cannabis yields!) but if I was going to do another hand-watered cannabis grow, I would never use a regular pot again! At least for me, the increased cannabis growth from a smart pot or air pot makes it worth a little extra watering! It’s like capturing a little bit of that hydro power, while keeping the hand-watered experience.

 


 

Jump to…

Learn more about containers for growing cannabis!

How (and when) to transplant a cannabis plant

Learn how to increase your cannabis yields

Discover secrets to improving overall bud quality

 


 

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How to Grow Cannabis in Coco Coir (Complete Guide) https://www.growweedeasy.com/coco-coir Tue, 26 Aug 2014 21:16:39 +0000 https://www.growweedeasy.com/newsletter_issue/how-to-grow-cannabis-in-coco-coir/ by Nebula Haze


Table of Contents

The post How to Grow Cannabis in Coco Coir (Complete Guide) appeared first on Grow Weed Easy.

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by Nebula Haze

Here are cannabis plants grown with this coco tutorial: Coco 70:30 mix with Flora Trio nutrients. Strains are Planet of the GrapesMandarin CookiesZweet Inzanity.

3 marijuana plants grown in coco coir - cannabis just before harvest

 


Table of Contents

Introduction

Overview: How to Grow Cannabis with Coco Coir

Coco Coir Rehydration Tutorial – Make an Excellent Coco Coir Mix at Home


Coco coir may be my favorite cannabis growing medium (though I love them all for different reasons). Coco coir gives a hand-watered experience similar to growing in soil, but with faster growth rates and more protection against overwatering.

Grown in Coco 70:30 mix with Flora Trio nutrients: Power Plant, Peyote Critical, Critical Purple Kush

3 vegetative cannabis plants growing in coco coir under an LED grow light

Follow the step-by-step instructions in this tutorial to for ultra fast-growing cannabis plants in coco…

Fast-growing cannabis plants growing in coco coir - week 3 of the flowering stage

Your reward? Big, fat, potent buds at harvest!

Cannabis plants growing in coco coir - big fat buds just before harvest

Coco also comes with many benefits of growing weed in hydro, such as fewer bugs and bigger harvests. Coco coir seems almost tailor-made for growing cannabis!

What is Coco Coir?

Coco coir is made of ground-up coconut husks and works surprisingly well as a medium for growing lots of plants, not just cannabis. Plant roots love it. As a bonus, coco is more environmentally friendly than peat moss (one of its main competitors). As a result, coco is slowly replacing peat in many soil potting mixes.

Dried and compressed coco coir. Just add water to turn into “soil” for cannabis plants..

Note: “Coir” is officially pronounced “coy-er” but I’ve noticed most cannabis growers say “kwar” (so it rhymes with “car”).

Coco offers a hand-watered grow experience similar to soil.

Coco seems almost tailor-made for growing cannabis... as long as you follow basic instructions.

Coco coir is a versatile growing medium which can be used by itself or mixed with other ingredients. It’s often included in soil potting mixes to help prevent compaction and loosen the soil while still retaining plenty of water. For example, Fox Farm Coco Loco is a great choice for soil growers who want some of the benefits of coco.

Cannabis plants grown in Fox Farm Coco Loco thrive.

Young vegetative cannabis plants growing in Coco Loco soil

However, this tutorial focuses on coco growing that doesn’t involve any soil or non-inert ingredients. Growing in pure coco plus perlite (no soil) is what achieves the fastest growth.

Today, you learn how to grow with a coco/perlite mix and provide nutrients in the water. This root environment creates thriving cannabis plants.

As long as you remember to water your plants with nutrients as directed, coco plants tend to be more hardy than cannabis plants in other grow mediums. You are less likely to get bugs than in soil, or root rot like in hydro. It’s rare for a coco grower to run into major problems that prevent them from getting to harvest when they follow these directions.

Because of that, I believe coco is one of the best grow mediums for beginner growers. Plus, you’ll learn almost all the skills you need to grow in soil or hydro in the future. Coco gives you a great base of knowledge for growing cannabis that will serve you well even if you branch out to other grow mediums.

Cannabis plants produce excellent yields and bud quality in coco coir.

Example of a cannabis plant growing in coco coir - look at those huge buds!

Pros – Why Use Coco Coir for Growing Cannabis?

  • Feels Like Growing in Soil – Coco coir is a soilless growing medium that gives the experience of growing in soil. Plants are kept in regular pots, and growers simply water their plants with nutrient water. In many ways, coco coir can be treated basically the same as soil for growing cannabis.
  • Harder to Overwater Than Soil – Coco coir tends to promote healthy and fast root development compared to other potting mixes. It holds onto moisture and nutrients, yet also has a light texture that gives roots access to oxygen. This makes plants less likely to experience symptoms from over or under-watering.
  • Doesn’t Hurt the Environment – Coco coir is sustainable for the environment (unlike some other options, like peat moss), since it’s made of ground coconut husks. It also breaks down naturally.
  • Does Not Attract Insects – Coco coir does not make a good home for many garden pests that affect soil growers. Cannabis growing in coco coir are less likely to be attacked by pests or bugs.
  • Plants Grow Very Fast – Since you provide easy-to-absorb nutrients in the water, plant roots don’t have to go out and search for nutrients like they do in soil. This saves the plant precious energy, similar to growing in hydroponics. As a result, coco coir gives many of the benefits of hydro with a soil experience. You get faster growth and bigger yields than soil for the same amount of time and effort.

Cannabis seedling growing in coco coir

Cons – Downsides of Growing Cannabis in Coco Coir

  • Must Give Nutrients with Every Watering – Unlike soil, coco coir is an inert growing medium with no inherent nutritional value. That means growers must provide all necessary nutrients in the water, even when plants are seedlings. On the other hand, soil naturally gives plants some nutrients (at least until all the nutrients in the soil get used up).*
  • May Need to Adjust pH of Water – Although you also need to manage pH in soil to prevent nutrient deficiencies, coco plants need a slightly more acidic root environment than soil. Coco plants grow fastest with a relatively acidic root zone of 5.5-6.5 pH, while soil needs a closer-to-neutral 6-7 pH. That means unless you naturally have slightly acidic water, you typically need to add a bit of PH Down to the water to get it into the right pH range for growing weed in coco. Note: You can use a pH Kit to easily test and adjust the pH of your water. Learn more about pH for growing cannabis.
  • May Need a Cal-Mag Supplement – If you’re growing with “soft” water, filtered water, reverse osmosis water, or any kind of particularly pure water, you may need to give plants a Cal-Mag supplement. Coco naturally binds to calcium, so extra Calcium may be needed, unless you have a lot of minerals in your water. If you have “hard” water, spring water, or other mineral-rich water, you probably do not need a Cal-Mag supplement.

*Don’t want to deal with nutrients? If you start with a nutrient-heavy composted “just add water” super soil, you may not have to add any nutrients at all from seed to harvest.

Coco coir holds onto a lot of moisture but also holds onto more air than similar materials, ensuring your plant roots get the oxygen they need to thrive. When coco is mixed with perlite, it provides an ideal amount of water and air for cannabis roots. Coco coir drains well so plants are less likely to get overwatered, but it also holds onto nutrients so you don’t need a ton of fertilizer.

A marijuana plant in the vegetative stage, growing in coco coir

Which Pre-Made Coco Mix is Best for Growing Cannabis?

Although you can re-hydrate coco bricks at home, a pre-made coco mix takes out all the work! If you decide to go with a pre-made mix, I highly recommend choosing one that contains both coco and perlite. A 70/30 ratio of coco/perlite works great for hand-watered cannabis plants.

Here are examples of pre-made mixes that I’ve personally tested and recommend: Mother Earth Coco Mix (70% coco / 30% perlite) was the first pre-made coco mix I ever used for growing cannabis. I’ve grown with Mother Earth at least a dozen times and always get great results. Another pre-made coco mix I’ve tried that works great for growing marijuana is FoxFarm Cultivation Nation 70/30 Coco. It’s newer but a bit cheaper, and works just as well in my experience.

Mother Earth Coco Plus Perlite Potting Mix is an awesome grow medium for growing cannabis            Cultivation Nation 70/30 Coco coir mix works great for growing cannabis.

Here’s what a good 70/30 coco mix looks like.

PIle of coco coir mix that's great for growing marijuana (70:30 coco to perlite mix)

Did you know you can make your own coco mix at home? The pre-made mixes with coco coir that are formulated specifically for plants like cannabis. They’re convenient, but take up room in the house. A cheaper coco option is to buy dry coco bricks, which need to be re-hydrated with water before you can use it to grow plants. The process to use coco bricks is explained at the end of the article. It’s actually pretty easy! Another benefit is the bricks are small and easy to store, so you can make your own mix any time without having to store bags of coco mix.

Once your cannabis is in a good coco coir mix, like the options above, your job is simple. Just add nutrients, water, and light for happy plants.

A cannabis plant in coco coir just before harvest

Grower FirstDescent shows how he was able to get a ton of weed from a small plant in coco.

Cannabis plant in coco coir - harvested!

Although growing cannabis in coco coir is getting more popular, one of the problems is that there’s not enough free information to help new growers know what to do. A few simple steps ensures your coco plants stay in tip-top shape, and this tutorial will show you exactly what to do.

 


Ready to treat your plants to a luxurious life in coco coir? Your harvest will thank you for it!  


 

Overview: Growing Cannabis in Coco Coir 

This isn’t the only way to grow cannabis in coco coir, but this is what I do and it achieves fast growth, excellent yields, and top-shelf bud quality.

Vibrant healthy green marijuana plants, growing happily in coco coir

Cannabis plants grown in coco coir, partway through the flowering stage.

Cannabis plants grown in coco coir, just before harvest time.

 

Which Nutrients for Coco Coir?

When growing cannabis in coco coir, always use nutrients made for coco coir or hydroponics. Many growers also benefit from adding a “Cal-Mag” supplement, which is a common gardening supplement that provides extra calcium. Learn more about which nutrients you should use for growing cannabis in coco coir.

Learn about different cannabis nutrients: https://www.growweedeasy.com/nutrients

I personally like the General Hydroponics Flora trio plus Calimagic​ (a Cal-Mag supplement) for growing in coco coir.

This is a tried and tested nutrient system for any type of hydroponic growing including coco coir. You can actually follow their nutrient schedule listed on the included nutrient schedule; it’s formulated for plants like cannabis.

General Hydroponics Flora trio - includes all your base nutrients!PlusGeneral Hydroponics CaliMagic Cal-Mag supplement

Generaly Hydroponics pH Test kit

Note: After adding nutrients (or even if you’re giving just plain water), always pH your water to 5.5-6.5 before giving it to your plants. This is important!

Like many cannabis base nutrients, the included dosage recommendations is aggressive and can burn your plants if given at full strength. No matter what base nutrient system you’re using with your coco coir, I recommend starting at half-strength nutrients at first, and only raising the dosage if you noticed plants look “hungry” for more nutrients. It’s also good to give enough water that some extra runoff comes out the bottom, to prevent nutrient buildup.

Here is the coco coir nutrient schedule I’m using right now (pdf)

Whenever using liquid nutrients, you will need a way to test pH so your plant roots are able to easily absorb all the nutrients they need. I use a simple General Hydroponics pH test kit. Learn more about managing pH here: https://www.growweedeasy.com/ph​

How much Cal-Mag should I use for coco coir? 

Here are instructions if using a Cal-Mag Supplement:

  • Give Cal-Mag at full strength (unlike base nutrients, which typically should be given at half strength to start) alongside your nutrients for at least two weeks at the beginning of your grow. You may also add Cal-Mag with your other other nutrients throughout the grow, especially if you’re using soft or filtered water.
  • Example of a Good Cal-Mag Supplement – One great Cal-Mag supplement for cannabis is CaliMagic by General Hydroponics. CaliMagic can be used at 1 tsp/gallon (2.5 mL per 2L).

See more coco coir nutrient suggestions.

Do you Need a Cal-Mag Supplement?

Unless you have very “hard” water that naturally contains lots of minerals, you likely need to use a standard plant “Cal-Mag” plant supplement to make sure your cannabis gets all the calcium they need. That’s because cannabis plants grown in coco coir tends to require more calcium compared to other growing mediums.

These plant supplements typically come in liquid form and contain calcium as well as magnesium. The extra magnesium is needed for your plant to be able to use the calcium properly. One great Cal-Mag supplement for cannabis is CaliMagic by General Hydroponics. CaliMagic can be used at 1 tsp/gallon (2.5 mL per 2L).

If you’re using a different nutrient company, chances are they have their own version of a Cal-Mag supplement. Whenever using any supplements, it’s a great idea to stick with the same company as your base nutrients in order to prevent the chance of unexpected interactions between two different brands.

 


Now that you’ve got a hand on what you need for you coco mix and nutrients, it’s time to start growing!

All Supplies Needed to Grow Cannabis in Coco

Basic Supplies

Here are some proven cannabis strains that work well with this coco tutorial:

Planet of the Grapes, Mandarin Cookies, Zweet Inzanity

3 marijuana plants grown in coco coir - cannabis just before harvest

Power Plant, Peyote Critical, Critical Purple Kush

Cannabis plants growing in coco coir - big fat buds just before harvest

Optional Supplies

  • Cal-Mag Supplement Calimagic​ is a good one. Get this if you are using RO (reverse osmosis) water, filtered water, or otherwise “soft” water without many natural minerals.
  • Grow Tent – A grow tent is a good house for your plants. Learn about grow tents for cannabis.
  • Solo Cups – To start seedlings (explained below).
  • Seedling Plugs – I like Rapid Rooters to start seedlings. You can also plant seeds directly in the coco.

If you got my recommended pre-made mix, which contains 1.8 cu. ft. of coco, it will fill about 12 gallons worth of pots. If you followed the tutorial at the bottom of the article to make your own coco mix, you’ll have about 10 gallons of potting mix. This can be used to fill 2 x 5 gallon pots, 3 x 3 gallon pots, or 5 x 2-gallon containers.

I recommend larger containers for larger plants and to water less often. I recommend smaller containers for smaller plants, and when the grower is willing to water more often.

 


 

Step-by-Step Grow Cannabis Coco Coir Tutorial

Whether you’re using pre-made or rehydrated coco, here’s what to do to grow cannabis effectively.

1.) Fill your containers with potting mix

Don’t fill containers to the brim. Leave a little extra space inside, so that the sides of the pots act as a “fence” around the coco coir. This is useful when you start watering plants. It helps ensure all the water goes down into the coco and not spill off the edges.

Fill cannabis fabric pots with coco coir mix.

Coco Coir, pots filled, in grow tent. Ready for cannabis plants!

2.) Prepare solo cups for seedlings (optional)

If you do use solo cups, make sure to cut holes into the bottom so that water can drain out after you’ve watered your plants. Always test to make sure water runs through cup freely. If you have a hard time filling up an empty solo cup with water because it’s running out the bottom, you have added the right amount of drainage.

Make sure to cut holes into the bottom of solo cups for better drainage.

3.) Germinate Cannabis Seeds (3 options)

Option 1: Germinate seeds in fresh Rapid Rooters. If you place the Rapid Rooters in a tray, making sure there’s a very shallow pool of water at the bottom to keep them moist.

Cannabis seedlings germinated in Rapid Rooters

You can germinate cannabis seeds directly in Rapid Rooters

Option 2: You can also place the Rapid Rooter on top of the moist but not soaking coco coir in your solo cups or plant pot. This ensures they stay moist and saves you from the step of having to plant the Rapid Rooters.

Cannabis seedling that was germinated in Rapid Rooter in coco

Cannabis seedlings germinated in a seedling plug in coco

Fresh Rapid Rooters give some of the best germination rates, but of course there’s other ways to start your plants.

Option 3: Plant seeds directly in coco mix.

Some growers plant their seeds directly in the coco coir, and that works well, too.

Watch a quick gif animation showing the planting of a cannabis seed for germination, then patting the soil down gently

Happy little seedlings are so cute!

Happy marijuana seedling loving life in coco coir

Learn about other ways to germinate cannabis seeds here: https://www.growweedeasy.com/germinate

 

4.) Start Seedling-Strength Nutrients

After seedling grows first set of “real” (serrated) leaves, water with nutrients at normal seedling strength, and add a regular dose of Cal-Mag (Calimagic). Keep giving water until you get about 20% runoff ut the bottom of the solo cup. The first set of leaves are round, but the second set are serrated and pointy. Once you see those leaves, it’s time to water your seedling with nutrients.

Cannabis seedling showing first set of "real" (serrated) leaves

 

5.) Nurture Your Seedlings

Some growers will put their Rapid Rooters in solo cups, while others put their seedlings directly in their final container. Either way, your job is the same. Make sure your seedlings get plenty of light while making sure that it’s never too hot for your seedlings. Place your hands where your seedlings are and wait 10 seconds, if it’s too hot for you, it’s too hot for your plants.

  • Seedling Strength Nutrients – Continue to water plants at full seedling strength of the included nutrient schedule for the General Hydroponics Flora Series plus Cal-Mag.
  • 2 cups (500 mL) water every 2 days – When watering seedlings, give just 2 cups (500 mL) of water every 2 days at first. Make sure any extra water can drain freely soon through holes out the bottom
    • In general, don’t give water again until the top looks mostly dry.

Water seedlings in a small circle around the base.

Watering a cannabis seeding in coco coir

 

6.) Transplant to Final Plant Pots (If Necessary)

If you started in solo cups, you should transplant to bigger containers once the seedlings have grown grown a few sets of leaves.

Once your seedling has grown a few sets of leaves, it’s time to transplant to a bigger container!

Cannabis seedlings in solo cups

Dig a small hole in your coco coir containers so there’s room for the new seedlings. Take a butter knife and carefully slide it all around the edges of each solo cup, then carefully transplant your seedling into your bigger coco coir containers.

Transplanting a cannabis seedling from a solo cup to a bigger container

 

7.) Vegetative Stage – What to Do

The vegetative stage is your plant’s first stage of life. Here’s your complete guide to the vegetative stage when growing marijuana in coco coir.

Your Goal in the Vegetative Stage: Maintain happy plants until they are half the final desired size. In this stage, they only grow stems and leaves. They need to get big and strong before they start making buds in the flowering stage.

Nutrients: Cannabis nutrients often recommend too high levels of nutrients for proper growth. If you’re using the custom nutrient schedule I created for you above, you can simply follow the instructions. But if you’re using a different nutrient system, I encourage you to start providing all nutrients in the water at half strength.

Watering: Water plants with vegetative stage nutrients with about 10% extra runoff. Don’t water again until the top of the coco is mostly dry. Continue to always adjust pH water to 5.5-6.5 before giving it to plants.

Watering can for gardening and watering cannabis plants in coco

I use a water transfer pump. (Learn easy ways to water plants)

Watering cannabis plants in coco with a battery-powered water transfer pump - easy watering!

What to Do If You See Nutrient Deficiencies

  • See yellow? If you notice the leaves are starting to yellow or turn lime green, it’s usually a sign your plants is “hungry” for more nutrients. Especially the yellowing seems to be climbing up the plant from the bottom.
    • Look at the nitrogen deficiency page for more information. If you have a nitrogen deficiency at this stage, it means your plants need higher levels of nutrients. If so, increase your nutrient levels slowly, watching closely for signs of nutrient burn (which means too high levels of nutrients).
    • Some leaves will likely turn green again once the plant gets more nutrients, but some may stay yellow, especially towards the bottom of the plant. So look at the new leaves for signs of recovery. Most important, make sure the yellowing has stopped spreading to different leaves.
    • It’s also likely that any improvement may take a few days after you provide increased nutrient levels. So don’t keep upping your dose until you’ve given your plant a few days to a week at the new level!
  • Other Nutrient Deficiencies – If you have any other problems besides a nitrogen deficiency, it’s likely a pH problem. But if you’ve been giving nutrients and properly pH’ed water, yet are still seeing leaf symptoms, consult this page: Plant Doctor – Diagnose Your Sick Cannabis Plants.

If your plant is yellowing or lime green all over, it’s a sign it needs more nutrients overall.

Example of a plant that's overall low in nutrients vs a healthy green cannabis plant

See other leaf deficiencies? It’s likely a pH problem. If not, check the Cannabis Plant Doctor!

Stages of calcium deficiency on cannabis leaves

Optional Plant “Training” for Bigger YIelds

You can let cannabis plants grow naturally, and that works well. However, most cannabis plants naturally only grow one main buds, instead of many buds per plant. If you want to increase your yields and produce a sea of buds, these are the steps to take.

  • “Top” the Plant (Optional But Helpful) – Cut off the top of the young plant above the 5th set of leaves with a clean pair of scissors. This helps cause the plants to “bush out” and produce more buds per plant. Learn how to top an autoflowering plant.
  • Bend Over Tall Stems to Make Plants Grow Flat (Plant “Training” for Bigger Yields) – If desired, the vegetative stage is when you start plant training (I recommend waiting a few days after the transplant to make sure plant isn’t stressed before starting any training).

Note: If you are growing auto-flowering plants from seed, follow these autoflowering-specific training instructions.

Cut off the top of the plant above the 5th set of leaves. (Optional but helpful!)

Topping a cannabis plant - cut off the top tip above the 5th set of leaves

This videos shows you how to top a cannabis plant.

This next video shows the whole cannabis topping process, in a timelapse format, showing what topping looks like in 10 days. This helps you see how the plant starts “bushing out” (the lower growth tips begin rising up). I think it also helps you see how topping splits the main stem into two stems.

Topping makes it much easier to train the plant to grow flat since you can bend each of the two new main stems down and away from the center.

Here’s a video showing what a plant looks like in the 10 days after being topped. Thanks to grower fuzzygrow for this awesome cannabis topping timelapse!

Read the complete guide to topping cannabis plants!

Whether you top or not, you should still make sure to bend over tall stems as they grow, to try to create a flat, tabletop shape.

Use bending and tying down (low stress training) to keep plants flat and wide like a table as they grow.

Spider Farmer tent - before and after cannabis plant training to make plants grow flat

It doesn’t seem like much, but this process of bending over tall stems is key to getting the best cannabis yields later.

I gently bend tall stems down and away from the center of the plant, and use plant twist tie to hold them in place.

If using fabric pots, just poke a hole where you want to attach the twist tie. I use Gardening Snips (useful for plant training and trimming!)

Wrap the twist tie around the hole to give it some extra holding power.

Twist tie through hole in fabric pot for LST

Continue always bending over and tying down tall branches to maintain that tabletop shape.

Before and after training tall, wild plants to grow flat

The vegetative stage lasts until your plant is about half the size you want it to be in the end (or when they start flowering on their own). After your plant has grown half the desired size, it’s time for the next step.

  • Wait Until Plants Are 1/2 the Final Size – Once plants are half the desired size, switch to the flowering stage (if you have auto-flowering plants, they will automatically start flowering after 3-5 weeks).

Why when plants are half the final size? Because on average they will about double in size during the flowering stage.

 

8.) Initiate Flowering Stage with a 12/12 Light Schedule (to get buds to form)

Now that your plants are half the final size, it’s time to switch to the flowering stage. With standard photoperiod plants, you do this by changing your light schedule to 12-12 (12 hours of light, plus 12 hours of uninterrupted darkness). This is done by plugging your grow lights into an electrical timer set to turn the lights off for 12 hours a day.

With auto-flowering strains, the switch to the flowering stage happens without you needing to do anything special.

Learn more about cannabis life stages and switching the flowering stage.

For photoperiod strains, use a timer to put your grow light on a 12/12 light schedule to initiate the flowering stage

 

9.) Flowering Stage – What to Do

The flowering stage is your cannabis plant’s second (and last) stage of life. Buds are the flowers of a cannabis plant, and the flowering stage lasts until harvest. You’re at the home stretch!

Your Goal in the Flowering Stage: Keep plants healthy until they are ready to harvest. Plant care is basically the same as before, except during the flowering stage it becomes more important to control temperature and humidity than ever.

  • Remember: Flowering Plants Are More Sensitive – Cannabis plants are much more finicky in the flowering stage, especially in the second half after they stop growing new leaves and focus totally on growing buds. It’s easy to trigger problems if you aren’t controlling your environment. Watch over plants closely, and make every effort to expose all bud sites to light and a breeze.

Nutrients: Now it the time to switch to “flowering” or “bloom” nutrients.

  • Multi-Part Nutrient Systems – If using a multi-part nutrient system like the Flora trio (or other “trios”), then just follow the instructions to give the proper ratios for flowering. Their schedules slowly switch from vegetative to flowering nutrient ratios, with a “transition” stage in between.
  • One-Bottle-Per-Stage Nutrients – If you’re using one-part nutrients like Dyna-Gro, switch to the “Bloom” bottle once you notice plants stop getting taller every day (typically 2-3 weeks after initiating 12/12). You need to give vegetative nutrients for the first few weeks because your plants will still be growing vegetatively for a while. Plants need those vegetative nutrients to grow all the new leaves and stems.

Watering: Water plants with 10-20% extra runoff. Don’t water again until the top of the coco is mostly dry. Continue to always adjust pH water to 5.5-6.5 before giving it to plants. Plants typically drink a LOT of water for the first few weeks, but slow down once they stop getting taller.

Training: You can still train plants by gently bending too-tall colas, but avoid any major training once the plant has started making buds.

Keep gently bending over any tall branches to keep cannabis plants flat and wide like a table.

Train cannabis plants to grow flat in the vegetative stage

This helps make tons of buds, and keeps them all the right distance from the grow light.

Fast-growing cannabis plants growing in coco coir - week 3 of the flowering stage

First, you’ll see little fuzzy white hairs growing all over the plants. These are the beginnings of buds, and will eventually fatten into hard nugs.

Cannabis buds look like bunches of white hairs at first.

Flowering bud with white pistils / hairs grown under a LED grow light

If you see bunches of grapes instead of fluffy white hairs, that means you have a male plant. These should be removed from the grow space immediately or they cause all your buds to become full of seeds.

If you see little balls instead of fluffy hairs, remove the plant from the grow space! Learn more about male flowers.

Young male cannabis plants grow pollen sacs instead of buds. Pollen sacs look a bit like bunches of grapes.

Buds slowly gain both size and potency. The fuzzy hairs will eventually darken and curl in as the buds mature.

These buds are 6 weeks from initiating 12/12, but each strain develops at a different pace.

Cannabis buds grow in size and potency over time. This is 6 weeks from 12/12

Now you’re just watering and caring for your plants until the buds are ready to harvest!

Cannabis plants growing in coco coir - big fat buds just before harvest

 

10.) Harvest Time!

Harvest buds when ready. At this point, all the hairs will have darkened and curled in. The buds should look solid.

These buds are all ready to harvest (each strain looks a little different).

These cannabis buds are all ready to harvest!

This tutorial will explain everything you need to know about when to harvest your plants: https://www.growweedeasy.com/harvest

Now it’s time to enjoy the fruits!

Happy Growing!

 


 

Here are some additional nutrient suggestions for growing in coco coir:

More Nutrient Picks For Growing in Coco Coir

General Hydroponics CaliMagic Cal-Mag supplementOften when growing cannabis in coco coir, it is helpful to supplement with extra Calcium and Magnesium as calcium deficiencies & magnesium deficiencies are relatively common in coco coir. There are many supplements that provide a boost of these nutrients, and pretty much all of them will work fine. A commonly seen one called “Cal-Mag” by Botanicare works well (and is pretty inexpensive), and so does “CaliMagic” from General Hydroponics. Coco coir is an excellent growing medium as long as you maintain the pH between 5.5 – 6.5 and make sure the plants have enough calcium and magnesium.

Any quality cannabis nutrients made for hydroponics will work well for growing in coco coir as long as you also use a Cal-Mag supplement.

General Hydroponics Flora trio - includes all your base nutrients!

I personally like the General Hydroponics Flora trio plus Calimagic​ (a Cal-Mag supplement) for growing in coco coir. This is what I use for my coco coir grow. You can follow the nutrient schedule provided by GH as long as you provide plain water every other watering. Or…

Here’s the custom Flora Series + CaliMagic nutrient schedule I use for coco coir [PDF]

You don’t need any other nutrients to grow marijuana; the Flora trio + Cal-Mag will give your cannabis plants what they need to flourish through the vegetative and flowering stages.

For the easiest coco coir growing, get a smart pot (pot made out of fabric – they work perfectly for growing cannabis and have good drainage).

IMPORTANT: Root pH Affects How Well Your Cannabis Plants Can Aborb Nutrients!

General Hydroponics Flora trio - includes all your base nutrients!PlusGeneral Hydroponics CaliMagic Cal-Mag supplement

  • Canna Coco A + B & Cal-Mag – This combo is a crowd favorite – many coco coir growers write in to tell us this is their favorite cannabis nutrient for growing in coco coir. From a grower: “Canna is a Dutch company and one of the best IMO. They make a great product line for growing in coco coir and test their products on real cannabis plants.” Another grower said, “Canna products are one of the only nutrient lines to be developed primarily for cannabis (and tested on live plants). They’ve been doing so for almost 30 years. Cost is a little higher than competitors but worth every penny.” A different grower added, “Canna – I have only used their coco line, but it is the the highest quality you will find.”
  • Get a custom nutrient schedule from Canna or use this pre-made one [JPG].

Get Canna Coco A + B, a two-part cannabis nutrient system for plants grown in coco coir, available on Amazon.com!Plus ​

  • Fox Farms Nutrient Trio for Hydroponics & Cal-Mag – Very concentrated, less is more. This is what I used for my first few coco coir grows, and I was very happy with my results. “Grow Big” & “Tiger Bloom” provide most of the major nutrients your cannabis needs, while “Big Bloom” has many micro nutrients and beneficial compounds that help nutrient uptake and root health. This trio works extremely well by itself, just follow the feeding schedule (here’s a PDF, here’s a JPG) from Fox Farms. They offer a lot of supplements, but the only bottles you need to be successful growing cannabis is the FF trio, which is highlighted in green on the schedule. The trio tends to be strong, so use it sparingly (especially “Grow Big” & “Tiger Bloom”). Generally the Fox Farms nutrient system will prevent Cal-Mag deficiencies, but it’s good to have extra Cal-Mag on hand just in case whenever growing cannabis in coco coir.​

Fox Farms makes great nutrient systems for growing cannabis in hydro or coco coirPlus

  • Dyna-Gro (Foliage-ProBloom) & Cal-Mag – Cheapest nutrients that work well for growing cannabis in coco coir. Use “Foliage-Pro” during the vegetative stage, and “Bloom” during the flowering stage. Just follow the instructions on the bottles!

Dyna-Gro "Foliage-Pro" is a proven cannabis nutrient option for the vegetative stageDyna-Gro "Bloom" is a proven cannabis nutrient option for the flowering stageGet Cal-Mag on Amazon.com!

  • House & Garden Line-up (expensive yet remarkably effective) Coco A + BRoots ExceluratorAlgen Extract, Bud XLshooting powder <– Get a custom nutrient schedule directly from the people at House & Garden via their free online nutrient calculator.From a grower: “H&G was started by a top researcher from Canna. They are right outside of Amsterdam and because cannabis is legal there, so both Canna and H&G are able to do R&D using cannabis. I don’t know about Canna, but I know that House and Garden makes all their own nutrients in house and they work great.”​

House & Garden Coco A & B - these coco coir specific cannabis nutrients work great - in fact they were even tested on real cannabis plants!House & Garden Roots Excelurator - a great root supplement for growing cannabis in coco coirHouse & Garden Algen extract - works great with the complete H&G lineup for growing cannabis in coco coir, in fact this supplement was even tested on real cannabis plants!House & Garden Bud XL - helps produce bigger buds when used with the complete H&G lineup (Coco A & B) for growing cannabis in coco coir, in fact this product was even tested on real cannabis plants by the people at House & Garden!House & Garden Shooting powder - Explosive and powerful foaming bud expander when used with the complete H&G lineup for growing cannabis in coco coir, in fact this product was even tested on real cannabis plants by the people at House & Garden!

 


 

Make the Coco Yourself (Instructions Below) or Buy a Pre-Made Coco Coir Mix!

Mother Earth Coco Mix is a highly recommended pre-made coco coir mix for growing cannabis. However, many coco mixes work great for growing marijuana, including FoxFarm Cultivation Nation 70/30 Coco.

Mother Earth Coco Plus Perlite Potting Mix is an awesome grow medium for growing cannabis            Cultivation Nation 70/30 Coco coir mix works great for growing cannabis.


 

Coco Coir Rehydration Tutorial: What You Need

There are pre-made coco coir mixes, but they are usually more expensive than the cost to make a mix yourself. A pre-made mix is heavy like soil because it’s already been hydrated with water. This makes pre-made coco coir mixes expensive to ship, and heavy to carry around. If you’re willing to rehydrate your coco at home, you can skip paying a premium for water.

Everything you need to make your coco coir mix can be sent discreetly to your house. You just need some coir bricks and an airy bag of perlite which can be bought at any garden store. With this method, there’s no lugging a huge bag of potting mix home, or paying for shipping to have it delivered.

Healthy young cannabis plant growing in coco coir

This tutorial will show you how to re-hydrate coco coir bricks and mix with perlite to create a rich, cannabis-friendly potting mix. I will also share some hints about growing cannabis in coco coir and how to take care of your plants for the best results.

If you follow these instructions, you will end up with 9-10 gallons of potting mix. I used this to fill four 2-gallon pots plus six solo cups, which is a good amount of soil for me to grow 4 small plants. Alternative options: Three 3-gallon pots or two 5-gallon pots.

Recap: Do you have everything you need to make your coco coir mix? You’ll need the following items to complete the tutorial above.

The above tutorial should leave you with 9-10 gallons of potting mix.

Coco coir in containers - ready for planting your cannabis seeds!

The following tutorial makes about 10 gallons of potting mix. Double the recipe for 20 gallons!

2 x coco coir bricks (650g each)

For this tutorial, I used two bricks of a standard 650g Coconut Coir Brick. Any similarly sized bricks from a reputable company will also work.

Two 650g coco coir bricks are needed for this tutorial

I used “Nature’s Footprint” Coco Coir, but any 650g Coconut Coir Brick will work great!

Nature's Footprint 650gm Coconut Coir Brick, Medium

8-quart bag of perlite

I have used Shultz, Espoma, Black Gold, and even Miracle-Gro brand perlite. Any 8-quart bag of perlite will work. Perlite can often be found in garden stores or the garden section of places like Home Depot and Lowes. I normally advise against all things Miracle-Gro, but their 8-quart bag of perlite is okay for this tutorial if you can’t find anything else. But remember, never use Miracle-Gro soil or their standard nutrient formula!

Any bag of horticultural perlite from any manufacturer will work for this tutorial!

A bag of Black Gold perlite for growing with coco - click for closeup!

10-gallon fabric container & 5-gallon bucket

I use a 10-gallon fabric container from Mad Farmer (basically a Smart Pot by a different company) because it’s sturdy, has handles and will stand up on its own after adding coco coir. You could use a 10-gallon Smart Pot, two pillow cases stacked inside each other, or any other fabric container that lets water through and is tough enough to hold 5 gallons of soil.

Here’s the 10-gallon fabric pot & 5-gallon bucket in a bathtub.

10-gallon fabric container and 5-gallon bucket

Note: You also need access to water and a drain for this coco coir tutorial.

Before You Get Started
(optional)

Run your finger nails over a bar of soap. This adds a layer of soap under your finger nails, which will prevent coco coir from getting stuck under your nails. Save yourself the time it takes to clean your nails after you’re all done!

See What You’re Making
(Makes about 10 gallons of potting mix_

This will make about 10 gallons of potting mix, just enough potting mix for…

  • 2 x 5-gallon containers
  • OR 3 x 3-gallon containers plus a little extra
  • OR 4 x 2-gallon containers plus extra
  • OR any setup that uses about 10 gallons of potting mix

4 x 2-gallon Smart Pots and 6 solo cups

Note: I hydrate the two bricks one at a time in the 5-gallon bucket because the 5-gallon buckets are easier for mixing in perlite, and the whole process goes by in less than a half hour anyway even if you do bricks one at a time. If you wanted, you could hydrate both bricks at once in a 10 gallon container, but that’s too heavy for me to work with 🙂

How to Rehydrate Coco Coir & Mix in Perlite

1.) Gather all materials and place everything near your tub (or wherever you’re going to rehydrate to coco coir bricks)

2.) Line inside of 5-gallon bucket with fabric container.

The inside of the bucket should be lined all the way to the top, and you need to have enough extra to be able to easily grab the top so you can lift it up later.

Add liner to 5-gallon bucket

3.) Put the first coco brick inside the liner 

Add 1st coco coir brick to fabric container in bucket

4.) Fill the bucket halfway with water.

Optimally, you can add a Cal-Mag supplement and pH this water to 6.0 before soaking. This can help make sure your coco coir has extra Calcium and also help it get into the right pH range right from the beginning.

Honestly though I often use water right out the tap. You’ll be adding Cal-Mag and setting the pH later, but the “best” way is to start supplementing your coco coir now, and it definitely may save you time and trouble later.

You’ll see the brick almost instantly starts getting soft once it makes contact with the water.

Add water until bucket is about half full.

5.) Wait 10 minutes (or until the coco coir gets fully hydrated)

If you stick your hand in and there’s no more hard parts left, then you’ve waited long enough. The coco coir should feel soft all the way through the bucket. You can mix the slurry around with your hands to get it to break up faster if you’re in a hurry.

Some growers let it soak longer, especially if they’re using pH’ed water that’s been supplemented with a Cal-Mag supplement, giving the coco more time to “take in” the good stuff. But I usually wait about 10 minutes and go to the next step.

After being re-hydrated, the coco coir becomes a thick slurry

6.) Pull liner up and out, letting water drain.

First let the majority of the extra water drain out into the bucket, then place the liner in the tub or on the ground so it can continue to let water drain out slowly.

Pull liner up and out so water can drain

A picture of the bucket and the fabric container in the tub

A closeup of the re-hydrated coco coir

 

7.) Pour half the 8-quart bag of perlite on top of your coco coir

Pour half bag of perlite on top

 

8.) Mix in perlite with hands

Make sure to mix everything thoroughly, and check around the sides too, where you’ll often find pockets of perlite or straight coco coir. It’s really easy and quick. Just stick your hands in and mix everything together until it looks even all the way through 🙂

This moving gif should hopefully give you an idea.

A moving gif showing the perlite being mixed in

After mixing, your potting mix will feel light and kind of soggy. You should end up with something that looks like this.

Coco coir and perlite potting mix - ready for growing

 

9.) Fill your containers with potting mix

One batch makes about 5 gallons of potting mix, so it should easily fill a 5-gallon container. You could also use it to fill 3 x 2-gallon containers or 2 x 3-gallon containers, though in both cases you’ll be a little short.

Don’t worry if the mix feels soaking wet, it will dry in the fabric pots once you have a fan blowing over them in your grow tent.

Here's what you'll end up with from the first coco coir brick plus half the bag of perlite

10.) Repeat steps for second brick of coco coir & remaining half of perlite bag

Now you fill the rest of your fabric containers and possibly solo cups for seedlings.

Note: If you do use solo cups, make sure to cut holes into the bottom so that water can drain out after you’ve watered your plants. Always test to make sure water runs through cup freely. If you have a hard time filling up an empty solo cup with water because it’s running out the bottom, you have added the right amount of drainage.

Make sure to cut holes into the bottom of solo cups for better drainage.

Now you can continue directly with the above cannabis coco grow tutorial! It directly follows the tutorial above for rehydrating coco coir and creating a coir-perlite potting mix.

 


 

Jump to…

How to Grow Weed: Basics

10-Step Quick Start Guide to Growing Cannabis

Which Grow Light Should You Get?

Do I Need Special Nutrients?

 


 

The post How to Grow Cannabis in Coco Coir (Complete Guide) appeared first on Grow Weed Easy.

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Is it better to grow cannabis in soil or hydro? https://www.growweedeasy.com/soil-vs-hydro-cannabis Sat, 12 Apr 2014 21:57:27 +0000 https://www.growweedeasy.com/newsletter_issue/is-it-better-to-grow-cannabis-in-soil-or-hydro/ by Nebula Haze

Which cannabis growing medium is the best for growing marijuana, and which style of growing is right for you? Will you get the biggest yields growing marijuana with hydroponics, with soil, or a hydro-soil fusion (such as coco coir or other soilless potting mixes)? Which growing medium produces the highest quality buds?

The post Is it better to grow cannabis in soil or hydro? appeared first on Grow Weed Easy.

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by Nebula Haze

Which cannabis growing medium is the best for growing marijuana, and which style of growing is right for you? Will you get the biggest yields growing marijuana with hydroponics, with soil, or a hydro-soil fusion (such as coco coir or other soilless potting mixes)? Which growing medium produces the highest quality buds?

This tutorial will teach you what to expect for each type of cannabis grow medium (including pros/cons, easiness, effect on yields, bud quality, etc). Get started growing weed today!


 

Table of Contents

Soil Guide

Hydro Guide

Soil-Hydro Fusion – coco coir & other soilless mediums

 


 

Growing Cannabis in Soil diagram

Intro to Growing Cannabis in Soil

Growing plants in soil seems to be what many people try first when it comes to growing in cannabis. If you’ve grown other plants in soil and/or have maintained a soil garden, this may be the best choice for you because you will already be familiar with a lot of what you need to understand to grow cannabis in soil.

Note: Do not use “Miracle-Gro” soil or any soil that has “extended release” nutrients for growing cannabis. These types of soil will continue to release nitrogen to your plant roots for up to 6 months. This can burn your cannabis plants in the flowering/budding stage and reduce your overall yields.

Never Use Miracle-Gro soil for growing cannabis - especially don't get any soils that have "extended release" nutrients!

Pros vs Cons

Soil Pros for Growing Cannabis

Many Already Have Soil Experience – Growing cannabis in soil is similar to growing plants like tomatoes or corn – soil growing may be the most intuitive option for you, especially if you already have gardening experience.

Simple – hand-water your plants in containers

Outdoor Growing – most outdoor growers choose to grow with soil. In the wild, cannabis grows in soil, so growing outdoors in soil is most like a cannabis plant's natural environment. Many people find that when growing cannabis outdoors, soil is the simplest and most intuitive way to grow. Growing with composted "super soil" gives the grower the ability to grow outside without needing to add synthetic bottled nutrients or manage the pH of the soil.

Option 1: Store-Bought Soil + Nutrients – Growers can buy soil online or at a store, and simply add nutrients throughout their grow while watering for thriving, happy cannabis plants.

Option 2: Compost or Purchase "Super Soil" – For those who don’t want to worry about soil pH or adding nutrients throughout the grow, there is the option of amending and composting your own super soil (or buying it already composted) specifically made for cannabis plants. While this option takes more time before you start growing, it can be somewhat simpler especially for those who have composted soil in the past. Note: Some growers believe growing in organic composted super soil with a rich microbial life actually improves the taste and smell of cannabis by causing plant to produce higher levels of terpenes and terpenoids.

Soil Cons for Growing Cannabis

Pests – Soil is organic material, and there are many types of bugs that can live in soil. Often, soil-growers seem to suffer more often from pests attacking their plants than hydroponic growers.

Slower Growth – Growing in soil is not as fast as growing in a soilless or hydroponic setup – hydroponic plants tend to get better growth rates, especially in the vegetative stage.

 

Tiny cannabis seedling growing in a handful of soil
 

Soil Setup

Setup Cost – Basically you just need soil and a container. Common cannabis soil mixes include Fox Farms Happy Frog and Fox Farms Ocean Forest. Any high quality organic soil mix will do in a pinch. Avoid Miracle-Gro soil or anything with “extended release” nutrients! If soil seems heavy, it can be beneficial to add 30% perlite and 10% vermiculite to aerate and loosen soil. One proven soil option is to compost your own super soil, which can be made organically and gets some of the best results of any soil. Common cannabis containers include classic plastic pots, terra cotta pots, smart pots (fabric pots) and air-pots. Standard gardening pots do best with soil that has perlite added so that there’s plenty of aeration for the cannabis roots. Smart pots and air-pots each add extra air to the root zones from the sides, so they don't require much (if any) extra aeration or perlite in soil mixes.

Setup Effort – Soil growing probably has the least setup effort of any method (with the possible exception of growing cannabis in a soilless mix). The biggest effort will likely be choosing your soil and nutrients.

Learn the basics of growing cannabis
 

Soil Maintenance

Maintenance Cost – After setup, the main cost of soil growing will be replacing your soil every grow (highly recommended – reused soil often does not get great results unless you know how to amend it with the nutrients that were used during your grow). Occasionally you will have to replaced used containers that crack or break.

Maintenance Effort – Watering your plants, providing cannabis nutrients as needed, managing the pH of your root zone (you should be managing your root pH if you’re not growing in composted super soil which has microorganisms in your soil to help manage pH and make nutrients available to your plant roots).

How long until harvest? Soil has relatively slower growth rates than hydroponic methods, but a tuned-in soil grow can achieve impressive growth rates if given a great environment and plenty of bright light. Most soil grows will require 1-3 months of vegetative time (depending on how big you want your plants) plus 2-3 months of flowering/budding (depending on your strain). Learn more about how long it takes to grow cannabis here. Some growers feel that cannabis grown in organic super soil has the best smell/taste profile, though this is highly disputed among hydroponic growers. 🙂

How long can grower be away? It’s important for a grower to always remain close by for their first grow, especially for inexperienced growers. Experienced growers can safely spend more time away from the garden. Bigger containers hold more water and therefore give growers more time away, since constant watering isn’t needed. In the best case scenario it is always best to check on your plants at least once a day. You never know when a pest infestation will take hold, a plant will fall over, or some other unexpected event will happen.

How to Grow Cannabis in 10 Steps

 


 

Growing with Hydroponics

Intro to Hydroponics for Cannabis

Growing marijuana with hydroponics means that the grower is providing nutrients directly in the waterWhile technically any growing medium besides soil is considered hydroponics (including growing in a soilless medium like coco coir), when most people think of “hydroponics” they think of a water reservoir.

Technically any type of hydroponics with no inert medium is called a “solution culture” to differentiate it from other types of hydroponics.

Click Here for a Short Summary of Hydroponics History

This section focuses on types of hydroponics where the cannabis roots grow directly in water and/or the grower needs to maintain a water reservoir.

In the next section we will cover soilless mediums, which are technically a type of hydroponics, but which most people consider more like growing in soil.

We believe Hydro is one of the best ways to grow cannabis!
 

Pros vs Cons

Hydro Pros for Growing Cannabis

Faster Growth – Faster vegetative growth than any other growing method, which can result in harvests that come in sooner.

Bigger Yields – Experienced hydroponic growers usually get bigger yields than experienced soil growers – given the same conditions (light, nutrients, etc).

Less Likely To Get Pests – Of all the grow types, hydroponic growers are least likely have their garden attacked by bugs or pests (though it’s definitely still possible). Many pests need soil as part of their lifecycle, and many growers accidentally introduce pests into their grow room when buying new soil.

Some Options Are Low Maintenance – Some hydro methods are relatively low maintenance, and many growers believe some options are as simple as growing in soil (learn more about different types of hydroponic setups below).

Hydro Cons for Growing Cannabis

Setup Cost – Hydroponic setups are usually more expensive to set up initially, and some types of hydroponic growing may require some DIY.

Figuring Out Nutrients – Getting the nutrients “dialed in” can be difficult for some hydro growers (especially when combining nutrients and supplements from many different companies) unless you follow a proven formula. In hydro, growers have total control over nutrients, which means hydro growers can fix nutrient problems quickly, but also that nutrient problems should be monitored and fixed as soon as possible.

Root Problems – Many unprepared hydro growers run into problems at the roots, though it’s important to remember that there are several proven steps that can be taken to ensure happy, healthy roots – such as providing plenty of oxygen at the roots and keeping water temps around 70°F (20°C).

Some Options Are High Maintenance – Some hydro growing methods are relatively high maintenance, and may take lots of checking in for the best growth rates

Growing Hydro Outdoors Can Be Difficult – While hydroponic growing can be accomplished outdoors, many people find it difficult to control all the essential variables outdoors (sterile environment, controlling heat/cold, powering pumps, etc).

 

Two cannabis plants growing in a hydroponic setup
 

 


 

Best Hydro Methods For Growing Cannabis
 

Different Types of Hydroponics Systems

Learn which ones are and aren’t suited for growing cannabis

  ○ DWC (Deep Water Culture)
  ○ Top-Fed DWC (Bubbleponics)
  ○ NFT (Nutrient Film Technique)
  ○ Ebb & Flow (Flood & Drain)
  ○ Aquaponics (Fish for Nutrients)
  ○ Aeroponics (Misted Air)
  ○ Drip System (Automatic Watering)
  ○ Hand-Watered Hydro (Soil-Hydro Fusion)

 


Growing cannabis with DWC (deep water culture) hydroponics diagram

DWC – roots in nutrient reservoir that is oxygenated by bubbling air through the water. There are lots of different variations of the DWC method.

We believe DWC is one of the best ways to grow cannabis!

 


 

Growing cannabis with top-fed DWC (bubble cloud or bubbleponics) hydroponics diagram

Top-Fed DWC (Bubbleponics) – like DWC except water is also pumped to the roots via a top-feed – fastest growth of almost any hydro system

View tutorial on how to make a Top-Fed DWC hydroponic system for growing cannabis
(this is how we grow!)

Note: What’s “RDWC”? It stands for recirculating DWC, which involves many DWC units hooked together with pumps and a “controller” to make sure all the plants get what they need. Usually only used for very big grows with many DWC units – this method allows a grower to maintain many DWC reservoirs in one place, and have the water pumped to all the plants

Growing cannabis with NFT (Nutrient Fulm Technique) hydroponics diagram

NFT (Nutrient Film Technique) – roots in containers on a tilted surface (often PVC piping). A water pump drips water from a reservoir to the roots of the first plant, and a shallow stream of water flows down the ramp over the roots of all the plants, one at a time. At the end, the water is usually drained back into the main reservoir to be recirculated. It is called “NFT” or “nutrient film technique” because there is a film of nutrient water flowing over the roots at all times.

 


 

Growing cannabis with Ebb & Flow (Flood & Drain) hydroponics diagram - Moving gif shows how everything works

Flood & Drain (Ebb & Flow) – roots in container which is flooded with water and drained on a timer – get plenty of nutrient water to roots as well as oxygen.

 


 

Growing cannabis with Aquaponics (plants get nutrients from live fish) hydroponics diagram

Aquaponics – fish are raised in a tank, and their poop is used to provide nutrients for your plants. In return, plant roots help filter the water for the fish. This is all accomplished by building a colony of bacteria known as a "biofilter." The bacteria transform the fish waste from ammonia (which is toxic to fish and unavailable to plant) into nitrogen that the plants can use.

Learn more about growing cannabis with aquaponics!

 


Growing cannabis with Aeroponics (plants get nutrients via misted air from reservoir) hydroponics diagram

 

Aeroponics – roots in misted air – this method gets more oxygen to roots than almost any other system. Can be difficult to get setup if you want to DIY (do it yourself) but there are lots of already-made aeroponics kits for growers interested in this style of hydroponics.

 


 

Growing cannabis with Drip System hydroponics diagram - flexible grow method can be used with soil, soilless or hydro

Drip system – Basically an automated watering system – can be used full hydro, with a soilless medium or even with soil. Plants are provided water via top-feed from a reservoir of water. There’s lots of variation on drip systems. For example, sometimes these systems are re-circulating, and sometimes the water is discarded after being dripped through the roots. Sometimes the water feed in on a timer, and sometimes the water flows constantly.

 


 

Growing cannabis in a soilless environment - includes any potting mix or growing medium besides soil

Soilless Mediums (Hand-Watered Hydro) – While growing with cannabis roots directly in a soilless medium like coco coir is technically considered hydroponics, I will go over it in the next section because as far as the grower is concerned, the experience of growing in soilless mediums is more like a fusion of soil and hydro compared to most other hydro techniques.

 

 

NOT Good For Growing Cannabis
 


These Hydro Methods Are NOT Suitable For Growing Cannabis

Raft System – Only meant for small plants like lettuce, raft hydro systems keep plants on a "raft" floating in a nutrient reservoir.

No tiny hydro systems like ones made for growing herbs! These hydroponic systems are far too small for a plant like cannabis. They don't have enough room for roots, or enough light to get cannabis to properly produce buds in the flowering stage. Don't use an Aerogarden (Aerogrow)! It is a struggle to get cannabis to grow in one of these, and you will get a lot better results using almost anything else (never mind the fact that they're expensive).

Never Use an AeroGarden for Growing Cannabis!

Small hydroponic growing systems like the "AeroGarden" (often called the Aerogrow) are NOT suitable for growing large plants like cannabis

 

Hydro Setup

Setup Cost – many hydroponic setups are very inexpensive, especially if growers are willing to DIY and build their systems from scratch. Most of the parts for hydroponic systems are readily available at the hardware store and usually aren't terribly expensive. The more complicated your system, generally the more it costs. So if you need lots of pumps, tubing and special pieces you may spend quite a bit to get everything. Luckily, these days there are many companies that sell kits with everything included, and often these kits are comparable in price to building everything yourself.

Setup Effort – When it comes to setup, you will benefit greatly from doing your homework. I highly recommend finding a grower with a proven setup already (a grower who has at least one grow journal showing a successful harvest), and copy them for your first grow. Many already-made hydroponic kits can be found online, and these are often easy to put together. Certain setups that use a timer usually take some tinkering to get everything to work the way you like (example Flood & Drain, certain Drip systems, etc). For aquaponics, the grower must also consider the time and effort it takes to set up a tank that can support fish.

Learn the basics of growing cannabis

Hydro Maintenance

Maintenance Cost – Once your grow is setup, the majority of your maintenance costs usually go towards your nutrients and your grow lights. Learn about hydroponic nutrients. Learn about different grow lights. However, you will need to replace tubing, pumps and air stones every few grows or as they wear out.

Maintenance Effort – Your first grow will likely take a lot of maintenance as you get a feel for how everything works together. As long as you do your research beforehand, you will avoid common growing hydro problems like root rot and figuring out your hydroponic nutrient schedule. The amount of long-term maintenance depends quite a bit on which hydro setup you choose. A dialed-in DWC setup with a relatively large reservoir can take as little as a half hour each week to maintain the reservoir. Most hydro setups are relatively low maintenance as long as the grower has grown in the setup before. Some hydroponic setups take inherently more maintenance, for example aquaponics (growing with fish) and aeroponics (growing in misted air – take a bit of maintenance to make sure spray nozzles are always working properly).

How long until harvest? All hydroponic grow styles generally achieve faster growth than growing in soil, especially when it comes to speed of vegetative growth. The fastest growth rates are achieved when roots have constant access to both nutrient water and lots of oxygen. That means that growers get the fastest cannabis growth by adding more bubbles and dissolved oxygen into their water, or exposed always-moist plant roots directly to air (like aeroponics). While vegetative growth is often faster with hydroponic setups, growing hydro does not reduce the time a plant needs in the flowering/budding stage – that’s determined mostly by genetics.

How long can grower be away? Depends on the setups. It’s important for a grower to always remain close by for their first grow, especially for inexperienced growers with DIY setups. You need to be there if there’s a leak, or something stops working properly. With safe & professional setups, experienced growers can safely spend more time away from the garden. Bigger water reservoirs (or bigger pots for soilless mediums – anything that holds more water at a time) give growers more time away, since constantly adding water isn’t needed. Highly tuned setups like aeroponics tend to need more constant checking in, while simple and direct setups like DWC can be left alone for quite a few days. In the best case scenario it is always best to check on your plants at least once a day. You never know when a bulb will go out, a plant will fall over, or some other unexpected event will happen.

 


 

Hand-Watered Hydro – Coco coir & other soilless mediums

Intro to Coco Coir & Other Soilless Potting Mixes

While technically any growing medium besides soil is considered “hydroponic”, growing in coco coir or other types of soilless mediums can feel a lot like growing in Soil.

Growing cannabis in a soilless environment - includes any potting mix or growing medium besides soil

Pros vs Cons

Soilless Pros

Faster Growth – Soilless growing mediums tend to achieve faster vegetative growth than growing in soil.

Less Likely To Get Pests – Soilless growers are least likely have their garden attacked by bugs or pests, but it’s definitely still possible.

Easy – Hand-water your plants in containers, just like soil. Many growers believe that growing in a soilless medium requires about the same effort as growing in soil. If your soil setup involves feeding nutrients in the water, growing in a soilless medium will be nearly the same experience.

Soilless Cons

Not As Fast As Full Hydro – Growing in a soilless medium will get faster growth rates in soil, but cannabis plants will not grow as fast as a hydroponic medium that is able to get more oxygen to the roots.

Figuring Out Nutrients – Getting the nutrients “dialed in” can be difficult for some soilless growers (especially when combining nutrients and supplements from many different companies) unless you follow a proven cannabis nutrient formula for your specific growing medium.

 

Soilless Setup

Cannabis plants growing in coco coir, a soilless potting mixCost – Soilless potting mix and container. One of the more common soilless mixes used for cannabis is “coco coir” which is made from coconut husks. Usually a soilless mix contains many different inert components to achieve just the right amount of aeration and water holding properties. I don’t recommend making up your own soilless mixes until you have some experience as it’s easy to make a mix that either holds too much or not enough water.

One proven soilless mix is to hydrate coco coir bricks and add 30% perlite and 10% vermiculite  to aerate and loosen the mix.

Common cannabis containers include classic plastic pots, terra cotta pots, smart pots (fabric pots) and air-pots.

Classic pots do best with a lighter soilless mix with plenty of aeration for the cannabis roots. Smart pots and air-pots allow for heavier mixes that hold more water, since each of these types of pots add extra air to the root zones from the sides (which adds more oxygen to encourage faster root growth, but also means potting mixes tend to dry out faster).

Setup Effort – Growing with a soilless mix has very little setup – just get the mix and your container. The biggest effort will likely be spent choosing your soilless mix and nutrients. Remember, a soilless mix is technically a hydroponic setup, so it’s important to get nutrients that are either specifically formulated for your mix, or formulated for hydroponic growing. Nutrients that are formulated for soil usually do not work well for growing in a soilless setup.

Learn the basics of growing cannabis
 

Soilless Maintenance

Cost – The main cost of soilless growing is replacing your potting mix every grow (highly recommended, reused potting mixes often contain a buildup of nutrient salts that are difficult to properly rinse out). Occasionally you will have to replaced used containers.

Maintenance Effort – Watering your plants, adding cannabis nutrients, managing the pH of your root zone (you should be managing your root pH if you’re not growing in a soilless mix in order to make sure nutrients are readily available to your plant roots).

How long until harvest? Soilless mixes has relatively faster growth rates than growing in soil, and a tuned-in soilless grow can achieve impressive growth rates when given a great environment and plenty of bright light.

How long can grower be away? It’s important for a marijuana grower to always remain close by for their first grow, especially for inexperienced growers. Experienced growers can safely spend more time away from the garden. Bigger containers hold more water and therefore give growers more time away, since constant watering isn’t needed. In the best case scenario it is always best to check on your plants at least once a day. You never know when a nutrient deficiency will take hold, a plant will fall over, or some other unexpected event will happen that needs your attention.

Learn how I grew my first cannabis plants in coco coir

 


 

Jump to…

Composted Super Soil Tutorial – Grow Organic Cannabis!

Simple Hand-Watered Hydroponic Cannabis Grow Guide

High-Yield Bubbleponics Cannabis Grow Tutorial

Grow Cheap and Stealthy With a $100 Space Bucket

 


 

The post Is it better to grow cannabis in soil or hydro? appeared first on Grow Weed Easy.

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Soil vs Hydroponics: Growing Cannabis https://www.growweedeasy.com/marijuana-soil-vs-hydroponics Sat, 03 Nov 2012 16:48:13 +0000 https://www.growweedeasy.com/newsletter_issue/soil-vs-hydroponics-growing-cannabis/ by Nebula Haze

Today, we're going to discuss the difference between growing marijuana with soil or growing marijuana with hydroponics.

First...

What is soil and what is hydroponics?

Soil for Growing Cannabis

Soil is the mineral and organic material found on the surface of the Earth which is a natural growing medium for plants.

The post Soil vs Hydroponics: Growing Cannabis appeared first on Grow Weed Easy.

]]>
by Nebula Haze

Today, we’re going to discuss the difference between growing marijuana with soil or growing marijuana with hydroponics.

First…

What is soil and what is hydroponics?

Soil for Growing Cannabis

Soil is the mineral and organic material found on the surface of the Earth which is a natural growing medium for plants.

Marijuana prefers rich, slightly acidic, high-quality soil that drains well. Many growers supplement their soil with perlite for added drainage. Soil growers also almost always add either liquid nutrients or nutrient-rich materials such as manure, earthworm castings, or seabird/bat guano to make sure the marijuana plants get everything they need.

Organic potting soils often work well for growing marijuana when mixed with perlite. Fox Farm Ocean Forest is a popular soil choice among marijuana growers. Regardless of the soil you start with, most growers will need to supplement with nutrients for the best results.

Popular Cannabis Soil Choice: Ocean Forest Mixed with About 20% Perlite

Get Fox Farms Ocean Forest for growing marijuana on Amazon.com! Get Organic perlite for mixing up marijuana soil on Amazon.com!

Plants naturally absorb nutrients from soil, though especially in the flowering stage, it’s up to you to provide just the right amount (not too much) of the right kind of nutrients to maximize your yields and prevent nutrient deficiencies.

If you start with rich soil like Fox Farms Ocean Forest, you won’t need to add any extra nutrients for at least the first few weeks of growth, but by the time your plant gets to the flowering/budding phase, it’s very important you add additional nutrients to support bud growth (since your plant will have already used a lot of the nutrients in the soil!)

Learn more about marijuana soil nutrients here:
https://www.growweedeasy.com/nutrients

Learn More About Growing Cannabis in Soil

 

Hydro for Growing Cannabis

Hydroponics refers to growing plants in pretty much anything besides soil, including growing mediums like coco coir, sand, gravel, straight water, or even misted air.

When growing marijuana hydroponically, as the grower it’s up to you to provide all the nutrients your plants need throughout the entire grow. This is done by adding nutrients to their water supply.

The benefit to this is that you can accurately provide the right amount of exactly the right kind of nutrients your marijuana plants want, to maximize your yields.

Common growing mediums for hydroponics (often mixed together):

Learn more about hydroponic marijuana nutrients here:
https://www.growweedeasy.com/best-marijuana-nutrients-review

Learn How to Grow Cannabis Hydroponically

Learn How to Grow Cannabis in Coco Coir

 

Growing Weed in Soil Pros & Cons

Pros:

  • Many growers claim soil-grown marijuana tastes better
  • Soil can be more forgiving for the inattentive grower since it already contains some amount of nutrients in the soil
  • If you’ve grown anything in soil before, growing cannabis in soil probably seems easier than some types of hydroponic growing

Cons:

  • Marijuana tends to grow slower in soil than in hydroponics in the vegetative stage
  • Soil usually returns lower yields compared to hydroponically grown marijuana (when given the same time, lights, and environment)

Popular Cannabis Soil Choice: Ocean Forest Mixed with About 20% Perlite

Get Fox Farms Ocean Forest for growing marijuana on Amazon.com! Get Organic perlite for mixing up marijuana soil on Amazon.com!

Growing Hydroponic Weed Pros & Cons

Pros:

  • Total control over nutrient levels
  • Faster harvest (you can shave up to 2 weeks off the vegetative stage)
  • Less likely to suffer from weeds, soil-born diseases or pests
  • Growing in a soilless growing medium like coco coir is almost exactly the same work as growing in soil, yet you get nearly all the benefits of hydro
  • Techniques like bubbleponics and DWC give growers the ability to pretty much automate their grow, so it takes a few minutes a week to maintain
  • Can correct problems much more quickly in hydro

Cons:

  • Some growers claim hydro grown weed doesn’t taste as good, though many growers agree that taste has more to do with your nutrients and flushing methods than purely hydro vs soil
  • Plants are quicker to show signs of problems
  • Some hydro methods are overly complicated and not beginner friendly
  • No natural nutrients so you have to supplement nutrients, which can be as simple as a nutrient system like Dyna-Gro (Grow + Bloom) and as complicated as a full cannabis nutrient system.

Biggest Differences Between Growing Marijuana in Soil vs Hydro

Nutrients

Generally hydroponic and soil-grown cannabis need slightly different nutrients, but there is one nutrient system that works for cannabis in all growing mediums, including soil, coco and hydro. If you’re not sure what to get, it may be worth a try. Learn more about cannabis-friendly nutrients.

Optimum pH for Nutrient Absorption

Soil pH: 6.0-7.0
Hydro pH: 5.5-6.5

Even if you’re growing in a potting mix, if it doesn’t say “soil” you will need to adjust the pH for hydro levels. So if your bag says “Coco Coir” then use the pH for Hydro.

Learn how to test and adjust pH to prevent nutrient deficiencies.

We recently received this question where a reader was growing marijuana in a mix of vermiculite and perlite. Because this seems soil-like, he was adjusting the pH levels as if he were growing in soil.

It’s important to note that growing hydroponically means growing in basically anything besides soil, even if it resembles soil.

Here’s the question….


Question: I’m growing 3 White Widow plants in soil with High Pressure Sodium (HPS) lights using cannabis-specific utrients. The soil is made up of 75% Perlite 25% Vermiculite and I’m adjusting the pH to 5.5 – 5.9. All my plants seem to be having this problem. Any idea why? Thank you in advance.

Click sick marijuana leaf for closeup
Click for closeup

Answer: It looks like Magnesium deficiency, but considering your nutrients have plenty of magnesium, and what you said about your pH. I think this is really a pH problem.

Using Perlite and Vermiculite is still technically considered hydroponic (not soil), so you’ll need to use a hydroponic pH range (5.5 – 6.5). Magnesium and Calcium especially tend to get locked out when the pH near the roots drops below 6.0. If you adjust the pH to the proper levels, this problem should clear right up.

Also make sure you’re testing the pH of the runoff water that comes out the bottom of your pot. This will give you a clue if there’s something going on at the roots that is dramatically changing your pH. Good luck!


Hydro and Soil Grown Marijuana Usually Need Different Nutrients

As a general rule, you will need to get nutrients specifically made for soil or hydro. This is because soil provides some nutrients, while in hydro you must provide all the nutrients.

Dyna-Gro is a noted and well-loved exception that works great for growing marijuana in soil or hydroponically. Just follow their instructions at half strength. Use “Grow” or “Foliage Pro” for the first part of the plant’s life and then switch to “Bloom” after you see the first flowers growing.

Get Foliage Pro nutrients by Dyna-Gro on Amazon.com, perfect for growing cannabis in soil, coco or hydro!Dyna-Gro "Bloom" is a proven cannabis nutrient option for the flowering stage - get your bottle on Amazon.com!

Learn more about marijuana nutrients here
https://www.growweedeasy.com/nutrients

There Are So Many Different Hydroponic Methods, It’s Hard to Generalize

Each hydroponic grow method has its own pros and cons, and they’re so different from each other it’s hard to truly compare “hydro vs soil.”

Some hydro growers use bubbleponics of Deep Water Culture (DWC) which means they’re growing with their plant roots directly in water.

Other hydroponic growers grow in soilless potting mixes or coco coir, which in practice is extremely similar to growing in soil besides the nutrients and optimum pH.

Learn more about the different types of hydroponic systems.

Here’s the simplest way to grow weed in soil. Get Fox Farms Ocean Forest soil and plant your seeds. Water whenever top inch or so of soil seems dry. Start adding a tiny bit of Dyna-Gro Bloom fertilizer to your water after plants start budding and you’re good to go!

Growing marijuana hydroponically in bubbleponics tutorial:
https://www.growweedeasy.com/high-yield-bubbleponics-technique

Growing marijuana hydroponically in coco coir (with CFLs) tutorial:
https://www.growweedeasy.com/easiest-grow-method-cfl-coco-coir

Conclusion

You should grow in soil if…

  • You really like the idea of growing weed as “close-to-the-wild” as possible
  • You have access to good soil or are willing to make your own
  • You are willing to supplement with organic compost teas or nutrients as needed
  • You feel that soil-grown marijuana tastes the best
  • You want something that’s more “set it and forget it” and don’t care as much about yields or fast harvests

You should grow with hydroponics if…

  • You want a faster harvest
  • Getting the highest yields possible is most important to you
  • You desire the convenience of soil without the pests (hand-water grow in soilless potting mix)
  • You’d like the convenience of a close-to-fully automated system (DWC, bubbleponics, etc)
  • You are willing to become the sole provider of nutrients throughout the grow
  • You love experimenting with different methods and want to tune into the perfect grow method

I hope you enjoyed today’s issue. As you may have gleaned from this article, I (Nebula Haze) personally love growing marijuana hydroponically. I believe proper flushing and overall lower nutrient levels give you marijuana buds that taste even better than soil-grown (though my opinion is obviously biased).

At GrowWeedEasy.com, we are dedicated to teaching people how to grow indoors the way they want. We’d love to hear from some soil growers and get more from your side of the story!

If you love growing marijuana in soil, don’t hesitate to submit info or pictures so we can share with the rest of the growing community!

Submit your marijuana pictures: https://www.growweedeasy.com/submit-trophy-pics

 


 

About the Author: Nebula Haze

Nebula Haze - Grow Weed Easy.comNebula originally started growing hydroponically in coco coir mixed with about 25% perlite. Once the coco coir and perlite get mixed up, they look just like soil.

Then for nutrients she either used Dyna-Gro Grow / Bloom OR the General Hydroponics Trio at 50-75% strength for happy plants, easy harvests and fat, potent buds.

Now she grows in DWC using a 250W HPS, check out one of her grows!

In response to the need for more tutorials aimed at new growers, Nebula co-founded GrowWeedEasy.com in 2010 with fellow grower Sirius Fourside.

Since then, Nebula has published dozens of growing articles in print and online, stars in online video lessons, and continues to dedicate herself to serving the needs of the medical marijuana growing community.

“My mission is to show other medical marijuana patients how easy and fun it can be to grow pounds of killer weed out of your closet.”


 

 

Jump to…

5 Ways to Increase Yields When Growing Indoors

How Long Does It Take to Grow Weed?

10-Step Quick Start to Growing Cannabis

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When talking about growing weed, what is a grow medium/growing medium? https://www.growweedeasy.com/what-is-a-marijuana-grow-medium Mon, 17 May 2010 20:44:39 +0000 https://www.growweedeasy.com/faq/when-talking-about-growing-weed-what-is-a-grow-mediumgrowing-medium/ A growth medium or grow medium is whatever it is that you're growing your cannabis in, whether that substance is soil, perlite, coco coir, rockwool, water, etc.

Your marijuana plant will thrive as long as the roots have room to grow and have consistent access to fresh water, oxygen, and the proper nutrients. There are a variety of ways to satisfy all these needs of a weed plant while growing.

Which is the Best Growing Medium for Cannabis?

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A growth medium or grow medium is whatever it is that you’re growing your cannabis in, whether that substance is soil, perlite, coco coir, rockwool, water, etc.

Your marijuana plant will thrive as long as the roots have room to grow and have consistent access to fresh water, oxygen, and the proper nutrients. There are a variety of ways to satisfy all these needs of a weed plant while growing.

Which is the Best Growing Medium for Cannabis?

Young cannabis seedling growing in rich soil in a person's hands

Growth Mediums for Marijuana

Soil or compost is one of the most popular growing mediums for marijuana plants because it is natural, easy to use, and available everywhere. If you decide to use soil, try using a sterilized, loose, non- peat-based potting compost. I recommend mixing your soil 50/50 with a soil conditioner like perlite which will provide drainage and keep higher amounts of air/oxygen in the soil.

Soilless mediums such as rock wool, perlite, vermiculite, and coco coir also all make great marijuana-growing mediums. My preferred method for beginning growers is to start out their plants with a mixture of half perlite and half coco coir and then water their plants by hand. I have written a detailed tutorial on how to grow marijuana with perlite and coco coir. Soilless mediums are great because you can treat your grow almost the same as soil only you just feed them all their nutrients in the water (hydroponically).  Because your plants are getting the nutrients delivered directly to their roots, you will often get quicker growth and higher yields when growing hydroponically. Another advantage of soil-less mediums is that you are less likely to have problems with mold or bugs.

Other hydroponics have you grow your cannabis directly in water or even in the air. The style of hydroponics which seems to get the highest yields is a method known as bubbleponics or a top-fed Deep Water Culture (DWC) system. I have a tutorial that will show you how to grow your marijuana plants using the bubbleponics method.

What exactly is hydroponics and is it good for growing marijuana?

How to grow marijuana with soil

How to grow marijuana with coco coir

 


 

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Easy Beginner Grow Cannabis Guide w/ CFL Grow Lights | How to Grow Marijuana https://www.growweedeasy.com/cfl-coco-coir Sat, 01 May 2010 02:28:13 +0000 https://www.growweedeasy.com/easy-beginner-grow-cannabis-guide-w-cfl-grow-lights-how-to-grow-marijuana/ by Nebula Haze Times have changed! If CFLs are your only option, they do grow good weed. However, just about every cannabis grower would be better off with an LED grow light than CFLs as your grow light. They’re cheaper than CFLs per watt, and get better yields! Explore Curated Cannabis Grow Setups: View Examples...

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by Nebula Haze

Times have changed! If CFLs are your only option, they do grow good weed. However, just about every cannabis grower would be better off with an LED grow light than CFLs as your grow light. They’re cheaper than CFLs per watt, and get better yields!

Explore Curated Cannabis Grow Setups:

Get LED grow lights if you can! LEDs are better than CFLs for growing cannabis even for tiny grows.

Example of Nebula's Microgrow - this mini grow tent was 2'x2'x3' with 4 autoflowering plants and used a HLG 100 LED grow light

I’ll let this article remain here for posterity, and also for anyone who lives in a place where CFLs are their only option for a cannabis grow light.


Table of Contents


This easy indoor hydroponic cannabis grow guide uses common CFL bulbs as grow lights and forgiving coco coir as a growing medium. It’s designed for the beginner as a cheap and easy way to introduce yourself to growing marijuana.

Growing weed doesn’t have to be hard!

This picture was taken just before I turned these White Rhino plants over to flowering. I like to keep my grows short and quick when growing with CFLs.Startup Cost: Around $300 to get started
(materials listed here)

Maintenance Cost: $50/month

Yields to Expect: 1-3 ounces/plant (if you follow the directions in this tutorial)

Time to Harvest: An average CFL cannabis grow takes about 12 weeks from seed to harvest. Some strains (like auto-flowering cannabis strains) can be ready as soon as 8 weeks from seed. With other strains, you may need 14 weeks or more to get to harvest (learn how to get to harvest sooner). Strain choice is very important when it comes to timelines! Learn how to find the right strain.

Recommended For: People who want a super-cheap, super-easy grow style.

Don’t be fooled just because it’s easy. Even though I was a complete beginner when I started, I ended up getting 6.2 ounces of dried buds off my very first cannabis plant from my very first grow, which I grew using this system! (Pics below). That is an unusually lot of cannabis for a CFL grow, and took using a LOT of bulbs, but if you read through this whole tutorial you’ll learn step-by-step how you can do it, too.

It helps to use a high-yielding strain (Northern Lights is great because it’s high-yielding, tends to grows short, and is low odor).

I also train my cannabis plants to take advantage of the great light that CFLs produce within 2-8″ of the bulb.

These results are not typical for your first try unless you’ve put in a lot of extra research and really watch and tend to your plants throughout your grow. Which brings me to my next point.

This method is not for everyone!

That’s because growing weed with CFLs isn’t the highest yielding method. It doesn’t get the most yields for the electricity, it’s not suitable for a large grow, and it’s not going to work if you aren’t willing to watch over your plants closely throughout the grow.

But it’s super cheap, super easy, and if you just need a few ounces of bud every few months, it may be the perfect “low-maintenance” way for you to grow weed!

I think it would be safe to assume that even a beginner can expect to get 1-3 ounces of dried buds per plant if you just follow these instructions. Even if you mess up (and you will), you’ll still get at least that if you can get your plants to harvest.

Here’s a pic of my very first grow using this method! 
Picture of my first grow with CFLs

You will be growing your marijuana plants indoors in a soil-less medium called Coconut Coir (often called coco coir, or even just coir). Coco coir is a natural fiber made from the husk of coconuts that naturally stimulates the roots of plants and is forgiving when growing marijuana.

For feeding (water plus nutrients), you will hand-water them whenever your plants get dry and you will provide them with all the nutrients they need right in their water.

CFL bulbs (twisty bulbs) can be used to grow cannabis - click here to learn more!For lights, all you need are some cheap CFLs (Compact Fluorescent Lights) like the ones you get from your local hardware store.

These common bulbs are much more efficient than old-fashioned light bulbs (which can’t be used to grow plants) and CFLs don’t use much electricity or produce as much heat compared to some other grow lights.

For a stealth marijuana grow inside a tiny space, nothing can beat CFLs as marijuana grow lights.

Because CFLs have a short light range (8-12 inch max), this tutorial works best for growing plants that are kept shorter than 3-4 feet. You want to focus on training your plants to grow wide instead of tall.

That means you will choose either…

You can still get at least a couple of ounces off each plant, even when plants are kept short and you will be able to harvest your crop in only 3-4 months.

This system reduces many of the problems associated with an indoor soil grow, and is also much easier than almost any other hydroponic style grow.

It is a great way to learn about how marijuana plants grow and after doing one harvest yourself, I guarantee that you will start getting millions of ideas on how you want to do your next grow.

Pros of Growing Marijuana with CFL Grow Lights and Coco Coir

  • Cheap and easy to start
  • Cheap and easy to maintain even for a complete beginner
  • Forgiving way to learn how to grow weed
  • Perfect for growing 1-2 plants
  • Get 1-3 ounces/plant (harvest yields depend on the strain, how big you grow your plant ,and the light intensity you provide to the buds during the flowering stage)
  • High quality bud since the plant is fed hydroponically
  • Suitable method for a very small grow space
  • Can be used with any strain of marijuana, whether starting with seeds or clones
  • If you ever upgrade down the road, you’ll still be able to use all this equipment for seedlings and vegetating marijuana plants; this setup is easily turned into a dedicated vegetative chamber

Cons of Growing Marijuana with CFL Grow Lights and Coco Coir

  • CFL grow lights are not cost effective when growing more than 1-2 flowering marijuana plants at a time, if you’re growing more than a handful of plants, you’ll probably want to invest in a LED Grow Light or LEC grow light to supplement your light intensity. Learn about the various marijuana grow lights you can add if you want to really ramp up your yields (instead of just trying to add more CFLs).
  • Hand-watering plants is simple, but can be a pain if you have a lot of plants OR very small pots (which need to be watered more often)
  • You have to adjust your CFL bulbs 1-2 times a week, as your plants will be rapidly growing into them
  • For best results and to be able to harvest several ounces/plant with this method, you will need invest your time to learn how to keep your marijuana plants short with basic marijuana growth control techniques

This is really a perfect way to grow your first harvest if you “just want to get your feet wet” because it’s low cost and so forgiving it’s hard to mess up. Plus, you will really learn an incredible amount about cannabis growing by using this method.

I used this technique for my first grow, and even though I made a lot of mistakes, my plants produced great buds.

Picture of the top part of the plant harvested from my very first grow.

What you will need

  • Marijuana Seeds or Clones
  • High-quality hydroponic nutrients which are designed for growing marijuana hydroponically. Any quality cannabis nutrients made for hydroponics will work well as long as you also use a Cal-Mag supplement. I personally use the General Hydroponics Flora trio plus Calimagic  (a Cal-Mag supplement) for growing in coco coir. This is a tried and tested nutrient system for any type of hydroponic growing. You can actually follow the nutrient schedule on the bottle because it’s formulated for plants like cannabis, just start at half-strength. Here is the exact nutrient schedule I’m using right now from them (pdf). I also recommend Fox Farms Hydroponic Liquid Nutrient trio since that’s what I exclusively used with good results on my first grow. Learn more about different cannabis nutrients.
  • Pots to plant your marijuana in. Learn all about cannabis growing containers. Since you want to keep plants relatively small when growing cannabis with CFLs, you’ll generally want smaller containers (1-3 gallons each) for your plants. If you do get bigger containers (5+ gallons), you should still start your plants in smaller containers until they outgrow the current one and need a larger pot.
  • Coco Coir Potting Mix. You can buy done-for-you Coco Coir potting mixes online or at hydroponic garden stores, which can be used immediately just like regular soil. But the cheapest and most widely available type of coco coir for growing comes in brick form. Here’s a tutorial showing you how to hydrate coco coir bricks into a nice fluffy soilless coco mix that your plants will love.
  • CFLs (Compact Florescent Lights). You want at least two 40W ‘daylight’ CFLs to start (note: a 40W CFL is the same as a 150W incandescent equivalent, don’t let them trick you). You’ll be adding more CFLs as your plant grows and needs more light. You should plan on getting around three more 42W ‘soft white’ CFLs for the flowering stage. CFLs are found everywhere, in stores and online. For growing cannabis, I like bulbs close to the 40W range because they are a small, manageable size but still produce a lot of light. By the time your cannabis is flowering (making buds), basically the more light the better. When it comes to CFLs, you pretty much can’t give your plant too much light. It’s optimal to use ‘daylight’ (6500k) colored bulbs for the vegetative stage and ‘soft white’ (2700k) colored bulbs for flowering, because this more closely matches what the sun is doing in summer and fall, but you can use any color spectrum CFL during any stage of life and your cannabis will grow well. The total amount of CFL wattage you give your plants is much more important than the color spectrum of the bulb. Learn more about how many CFLs to use for the yields you want.
  • Enough light sockets for all your lightbulbs – they’re about $5 apiece at my hardware store, and a few bucks more online. Sometimes they also come with some sort of clip you can use to clip your lights anywhere. A 4-way splitter is a great way to get more sockets in a small amount of space for less money.
  • A timer to make your lights go on and off when you want. You can get a cheap mechanical one or spend more for a nice digital one, and they’re found in hardware stores or online. The timer I use cost less than $10 and has served me well for years. You don’t necessarily need a timer to start growing, but you will need one by the time you start flowering your plant (about a month in).
  • pH Control Kit: This contains pH Up and pH Down (to adjust pH of your water) and a simple strip test. Another option for testing pH is a fancy (and more expensive) digital pH tester though my plants did just fine with the strip test that comes in the much cheaper pH Control Kit. All hydroponic stores and some gardening stores with sell pH Control Kids. You will want to adjust your water so it’s around 5.5-6.0 pH when you water your plants. How do I check and adjust the pH of my water?
  • (Optional) Grow Tent: If you don’t have a good growing space, you can easily buy one that’s perfect for growing cannabis! A 2’x2’x4′ Grow Tent is great for small spaces. If you have more space, a larger model such as a 2’x4’x5′ Grow Tent will give you a lot more flexibility as far as accessing your plants and being able to arrange your lights. You can also use a 2x4x5 with bigger grow lights such as a 250W HPS or even a 400W HPS, so you’ll have the ability to upgrade your grow down the road. I always recommend getting the biggest grow tent size you can fit, as you’ll always wish you had more room! Learn more about using grow tents for growing weed.

Estimated Total Cost for Growing One Plant

Total Startup Cost for One Plant: $201 – $258

Each additional plant needs an additional container, coco and 5 more CFLs and light sockets, for an additional setup cost of about $100/plant.

Important! If you plan to grow more than 2-3 plants, I highly recommend upgrading to a small LEC, LED or HPS grow light as you will get a better “bang for your buck” than with CFLs as far as yields for electricity. An LEC, LED or HPS will yield 2-4 times as much bud as you would get with CFLs for the same amount of electricity. CFLs are much better suited for just one or two plants, or for growers who want to “dip a toe” in growing without investing too much.

So, you can see that it doesn’t cost that much to get started growing cannabis with CFLs! After you get going you can expect to spend about $30/month in electricity, supplies, etc. considering an electricity price of $0.12/kWh (average cost of electricity in the US). So, if you harvest in 3.5 months, which is the average time, you’ll have spent about a total of $300 – $360 for your entire first grow, including setup, electricity, nutrients and maintenance. After that you can expect to pay about $100/grow since you won’t have to invest in most of the setup costs again.

Spend about $300 and Harvest 2+ Ounces From One Plant! 

2 ounces (~60 grams) per plant of bud retail value: You may get even more but a reasonable estimate for someone who follows the directions is to harvest at least two ounces of dried bud from each plant. At $10-$20/gram (prices around here), two ounces of cannabis is equal to $566 – $1133 which is worth much more than the money you need to put in to get started. And the amount you spend will go down each grow, while your yields will likely go up. Plus, you don’t have to go anywhere to get your buds! I got a total 6.2 ounces of dried buds off my first cannabis plant I grew using this system (pictured below in flowering section) but to get those kinds of results you need to train your plant and invest in more CFLs as the plant get bigger to make sure there aren’t any shadowy areas.

After your first grow, you will only need to get more plants, more coco coir, and more nutrients which will significantly bring down the start-up costs for subsequent grows.

Remember, you can start out with fewer lights and light sockets (start with 2 per plant), and will only need to get more as your plants get bigger. The great thing about all of the items needed for this technique is they can all be used in future grows, even if you decide not to continue with this method. For example, even if you end up getting more powerful grow lights eventually, you will always be able to use the CFLs for starting out new plants, or for adding additional side lighting.

A Note about Using CFL Lights

You need about 80w of CFLs per plant to start; I prefer to start with two 40W per plant

This is what I use for each plant:

  • Two 40W ‘daylight’ CFLs to start
  • When the plant starts budding, I recommend adding at least an additional three 42W ‘soft white’ CFLs for the flowering stage. You can add even more if you have the space. More light = more bud when it comes to CFLs in the flowering stage.

These lights are easily found at the store or online. You can get lower or higher wattage bulbs, but I like bulbs close to the 40w range because they produce a lot of light, but are still a small, manageable size.

You’ll likely need to add CFLs a little as a time while your plant grows, but by the time the plants are flowering, you definitely want more light than your original two bulbs to get your plants to produce lots of bud. Light is what gives your plant energy, and the more energy it gets, the bigger buds it will grow.

More Light = More Bud
(up to a point)

It’s optimal to use ‘daylight’ (6500k) colored bulbs for the vegetative stage and ‘soft white’ (2500k) colored bulbs for flowering, but you can use any color CFL during either stage and your plant will grow well. The color spectrum of the bulb is not nearly as important as the total wattage.

Instead of just plain sockets, you may decide to get some heavy duty clamp light sockets which you can use to power your light bulbs. These light sockets have a reflector built in and are able to clamp to most anything.

When looking for clamp light sockets, avoid anything that’s made of plastic (it’s cheap and will break) and try to find something with at least a 9-foot-long cord. You might be surprised at how annoying it is to try to find a way to make a 6-foot cord work.

To maximize the light your plants are getting, you can use a 2-way or 4-way splitter plus a light socket extender to fit more bulbs per each clamp light socket (without the extender, they might not fit inside the reflector).

Setting up more than one bulb per socket can often be cheaper than buying an individual light socket for each light, especially if you buy online. It also is really convenient for arranging around your plant.

Get a clamp light socket with reflector on Amazon.com!Two Compact Florescent lights put into one plug using a twin socket adapter and a light socket extender

An incredible CFL grow light setup by grower iskraiskra
Example of a great CFL setup for growing cannabis plants by grower iskraiskra

Click here to learn more about grow lights and the length of time you provide light to your cannabis plants each day.

 


How to get started

A bunch of cannabis seedlings growing in coco coirOptionally fill the first couple inches of your pots with perlite for extra drainage, and then fill the rest of the pot with coco coir.

Note: Perlite can often be found in garden stores or the garden section of places like Home Depot and Lowes. I normally advise against all things Miracle-Gro, but their 8-quart bag of perlite is okay for this tutorial if you can’t find anything else. But remember, never use Miracle-Gro time release soil or their standard nutrient formula! But their perlite is okay.

Read the full tutorial on how I make my coco coir mix

Water your pot with coco coir thoroughly until water drains out the bottom before adding your seeds or clones.

Set up your lights so that they can start around the height of your pots and eventually be raised to the final height of your plant (2-3 feet depending on your marijuana strain and how long you let your plants stay in the vegetative stage).

Once you have everything set up as described, simply add your marijuana seeds or clones and set up your lights so that they’re about 4 inches away to start.

Watering Schedule

Use the included nutrient schedule to know how much to provide to your cannabis plants

You will want to start feeding your plants with nutrients at quarter strength for the first week, then work your way up to full strength slowly.

I recommend following the instructions exactly as provided by the nutrients.

For example, if you are using Fox Farms Hydroponic Liquid Nutrient trio, just follow the feeding chart that comes with the bottles and water your plant with nutrients every other watering.

When not using nutrients, make sure you still pH your plain water before your feed your marijuana!

This is important! Water your marijuana plants until you get at least 20% extra runoff water out the bottom.

Then don’t water your marijuana plants again until the top of the coco coir starts feeling dry.

This will start out with you watering the plants every couple of days, and may end up with you watering them once a day towards the end of the marijuana flowering cycle.

This bears repeating, you want to ensure that you have about 20-30% extra run-off water come out the bottom of the container every time you water your plants.

The reason for this is that coco coir tends to form natural salts if it the fertilizers just sit in there and never get washed out. Making sure you keep adding water until you get run-off is also a great way to make sure that your plants are draining properly.

As I said before, make sure to feed your marijuana plant with plain, pH’ed water every other watering.

This will greatly help reduce the amount of salt buildup and prevent nutrition problems from occurring.  If your marijuana shows signs of drooping, chances are you are over or under-watering.

In order to prevent over or under-watering, make sure you water thoroughly every time, and wait to water again until the top inch of coco coir feels dry.

Vegetative Period

White Rhino marijuana plant at the beginning of the vegetative stageAfter your plants have grown accustomed to their new environment (after a couple of days for transplanted clones, or when your seeds grow their second set of leaves) then you will want to move your CFLs so that they are about an inch away from the plant.

CFLs lose a lot of light the further away they are and their light is almost useless once the plant is 6-8 inches away.

Your biggest task when growing your marijuana will be adjusting the lights.

The CFL bulbs should always be as close as possible to the plants, yet they need to be far enough away that your marijuana doesn’t grow into the lights and burn its leaves.

If you check on your plants constantly, you can keep the lights closer. If you’re going to be away for a while, you should move the bulbs away to give your marijuana some growing room.

Personally, for me, adjusting the lights was one of the most fun parts of growing marijuana using this method because it gave me something to do while I was hanging out in my grow room.

As a beginner, I always wanted to keep checking in on my marijuana plants all the time, and adjusting the lights gave me something I could do to satisfy that urge. You may also want to rotate your plants every day in order to provide the evenest amount of light from all sides.

Your marijuana can’t get really get too much light from CFLs and the only thing you need to worry about with the CFLs is burning your plants if they get too close.

Basically, if you put your hand where your plants are closest to the light, and the light feels too hot to be comfortable, then the light is too close. If your hand just feels warm, but not hot, then your plants are at the perfect distance. I generally kept my CFL bulbs 2-4″ from the leaves during the whole grow.

If you notice that your plant is growing with a lot of space between nodes or otherwise seems like it’s ‘stretching’ upwards, that means that it probably needs more light. Try adding an extra CFL or two or move them closer. If you notice your plant is having any other issues or something doesn’t seem right, check out the Plant Problems and Symptoms Guide.

Flowering Stage

This cannabis plant was bent over to accomodate the big main cola and help get more light to the lower bud sitesWhen your cannabis plants are about half their final desired height, you will change them over to the flowering stage so they start growing buds.

By half the final desired height, I mean, if you wanted your plant to achieve a final height of 2 feet, then you would switch your marijuana to flowering when they’re about 1 foot tall, or half of 2 feet.

If you wanted your marijuana to grow to be 5 feet tall, then switch them to flowering when they’re at a height of 2.5 feet.

The reason for this is that marijuana will generally double in height after being switched over to the flowering stage.

To initiate the flowering stage, you will switch your light schedule so that your lights are on for 12 hours a day, and off for 12 hours a day.

During the ‘off’ period, your marijuana should be in total darkness.

This light schedule will trick your marijuana into thinking that the days are getting shorter and fall is coming.

The 12-12 light schedule will cause your plants to begin the flowering stage and start focusing on making buds instead of just growing.

If you don’t change your schedule to 12-12, chances are your marijuana will just keep growing forever and never make buds.

After switching to 12-12, you should start noticing your plant making its first sex organs after a week or two. Females will grow white hairs and males will start growing grape-like balls.

In order to maximize the amount of bud you get, you will want to make sure you remove any males so they don’t impregnate you females. If they stay together than your females will get pollinated by the males and will end up making lots of seeds instead of buds.

Unless you have a reason to keep males (for example breeding), you probably want to just kill any male plants because they won’t make any usable bud anyway.

When growing with CFLs, it becomes harder and harder to fully illuminate the plants as they get bigger and grow more branches. You will maximize the total amount of buds you get by keeping the plant smaller (and therefore easy to bathe in light), and then harvesting more often since your plants will be ready to harvest much sooner.

As the plants get taller and start blooming, you may need to get a couple more CFLs to light them from the sides. Basically if you see any dark or shadowy areas that are more than 6 inches from a CFL, then you should get another CFL to plug in that ‘hole.’

Towards the end of the flowering cycle, as your marijuana approaches harvest time, you may notice that some of the oldest leaves start turning yellow and falling off. This is totally normal and is a sign that your plant is taking nitrogen out of the leaves and putting them into the buds/flowers.

You will want to stop feeding your marijuana any nutrients for the last two weeks before harvest to ensure the best tasting bud. Simply feed them plenty of water without nutrients for these last two weeks, but make sure you’re still adjusting the pH so they absorb any leftover nutrients in the coco coir.

I usually stop feeding my cannabis nutrients and start feeding them water when about 75% of all the pistils (hairs) have turned dark and started curling in towards the buds.

Harvesting

Closeup of dried marijuana buds Please view the Harvest tutorial for more information about when and how to harvest your plant. This guide will tell you exactly what to look for as far as determining if your cannabis is ready for harvest.

Basically, you’re waiting for your cannabis flowers (which are initially covered in straight white hairs) to darken and curl in. When the buds are ready to harvest, nearly all the white hairs/pistils will have turned orange and curly.

Final Thoughts

When using this method, I’ve found my cannabis to be really resistant to issues or problems, especially considering this method was the one I used for my very first harvest and I had no idea what I was doing when I started.

Over the course of my first grow I made several mistakes, including dropping a light on one of my plants and accidentally burning some of the leaves on the lights. Every time something happened to a plant, it seemed to take it in stride and just keep growing.

Despite all my mistakes, I still got 6.2 ounces of dried buds off my first plant grown with this grow method!

Looking at the trichomes on the plant through a magnifier. Trichomes are also known as crystals and resin glands depending on where you live.I really like this technique for a beginning cannabis grower because it’s a really good way to get a feel for how plants grow and how the cannabis plant grows in particular.

It can be hard to decide what you want to do for you first grow, and this is a really cheap yet effective way to get started with growing and get good results.

After having one successful grow under your belt, I guarantee that the whole process will start making more sense.

Even if you end up eventually moving on to other types of growing systems, you will be able to use many of the materials from this system with your future grow.

If you end up using this technique or have any other thoughts or comments I’d love to hear from you!

 


 

Jump to….

How to Grow Weed: Basics

Coco Coir as a Cannabis Grow Medium: Full Guide

Growing Weed with CFLs Starter Shopping List

Grow 4-7+ oz in Coco Coir with a 250W HPS – Step-By-Step Beginner Tutorial

 


 

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