Broad mites on your cannabis plants are so tiny they are practically impossible to spot with the naked eye, and can even be difficult to see under a microscope. Broad Mite Symptoms: With broad mites, thenew growth may be twisted,blistered…
Can Tobacco Mosaic Virus (TMV) spread to cannabis plants? Some growers believe mosaic virus can infect weed, yet actual evidence of cannabis transmission is hard to come by. What is Tobacco Mosaic Virus anyway? TMV is a virus that is…
Problem: A light green or yellow coloring will begin to show on the veins and edges of the lower & older leaves this is one of the classic signs of cannabis magnesium deficiency. You may also see red stems. Magnesium…
Problem: A sulfur deficiency is relatively rare and will manifest itself as all-over chlorosis (yellowing of leaves), usually starting with the newer leaves and at first may look like a nitrogen deficiency. The parts underneath the leaves may take on…
Hemp russet mites are tiny bugs that attack cannabis plants. In fact, they are so small you can only see them with a magnifier unless there are thousands of them infesting your plant. They live the the crevices of leaves,…
Problem: After watering, your plants start drooping. Usually the droopy leaves will feel firm and appear curled down (the whole leaf will be curled, not just the tips, which is often a sign of nitrogen toxicity). With overwatered cannabis plants,…
Melanoliarus planthopper on a marijuana leaf (Source: Whitney Cranshaw) Typically among the primary signs is a white fuzzy development that is typically misinterpreted for mold or white grainy mildew. Nevertheless, it is really a secretion from the planthopper. The bugs…
Problem: Dark green leaves, shiny leaves, clawing, weak stems, and overall slow growth. Marijuana leaves that are nitrogen toxic often get The Claw or talon-like leaves that are bent at the ends. They also do an oddcurving (orcupping) that is…
Fungus gnats look like tiny flies buzzing around cannabis plants, especially around the soil. Their larva grows in wet soil, and they often appear when the topsoil stays wet for too long between waterings. How to Get Rid of Fungus…
Sometimes the first sign of bud rot is a few leaves on the buds turn yellow seemingly overnight. The base of these leaves is where the bud is rotting How to Prevent & Stop Bud Rot (quick summary) “When I…
Stop Leaf Septoria (Yellow Leaf Spot) in Its Tracks! Sometimes called ‘yellow leaf spot’ or ‘leaf septoria,’ this condition is caused by a fungus (or sometimes a bacteria) that attacks cannabis plants and usually appears in warm, wet weather. The…