Too hot for your cannabis in the grow room? Learn how to save your plants from heat stress with a variety of techniques as well as certain supplements!
Plant Problems Symptoms: Spots or markings
Phosphorus deficiencies cause dark splotches on leaves and can appear at the bottom of the plant on some of the oldest leaves. Learn to spot & fix the issue.
Overwatering and underwatering cannabis plants are easy to do and can cause multiple symptoms including slow growth. Learn to recognize and fix these issues.
Calcium deficiencies cause tiny brown spots that appear on new and middle growth. Learn how to fix this problem for good!
Does your cannabis plant have yellowing lower leaves between the veins? See pictures of a magnesium deficiency and learn the easy solution.
Problem: A cannabis molybdenum deficiency causes leaves to turn yellow. The leaves may also display a unique orange, red or pink color around the edges.
Spider mites are a common cannabis pest that can be very difficult to get rid of. Learn how to spot and treat at the first signs of these nasty pests.
Brown spots appearing on your lower leaves? See what cannabis leaves look like as a result of pH fluctuations and learn the solution!
Light bleaching is similar to bleached hair from spending ample time under the sun. Read for more information on how to prevent and solve light bleaching.
Yellow or brown round spots appearing on leaves and spreading? This Yellow Leaf Spot aka Leaf Septoria fungus can attack your plants, learn what to do!