Symptom Wilting Leaves

Nitrogen Deficiency

Nitrogen Deficiency 1

Problem:A cannabis nitrogen deficiency makes older, lower leaves turn yellow and wilt. They will die off. The plant looks pale or lime-colored. The yellow leaves may also show brown spots. They become soft and fold in. Then, they turn crispy…

Root Rot

Root Rot 3

Cannabis Root Rot – Slimy, brown, twisted or unhealthy roots are caused by unwanted pathogens in your hydroponic tank! The marijuana plant on the left is healthy, and the plant on the right has root rot. The curled, drooping, unhealthy…

Root Problems

Root Problems 5

Cannabis Plants With Root Problems Show Many Symptoms Example of extreme overwatering on an adult cannabis plant This seedling was being grown in pure perlite, which is not a suitable growing medium for cannabis, and as a result the roots…

Under-watering

Under-watering 8

Issue: If your plant is sagging, then it’s normally an indication of either over or under-watering. Skip the over/under-watering of your cannabis plants and DIY your own cannabis hydroponics system. Marijuana Underwatering Signs If your soil or soilless medium looks…

Cannabis Plant Wind Burn

Cannabis Plant Wind Burn 10

Having trouble with wind burn ruining your plants? Don’t worry, you’re not alone. Many novice and experienced cannabis growers alike have experienced the pain of windburn and have had to deal with its effects on their plants. I understand the…

Tobacco Mosaic Virus (TMV)

Tobacco Mosaic Virus (TMV) 12

Can Tobacco Mosaic Virus (TMV) spread to cannabis plants? Some growers think mosaic virus can infect weed. But, finding proof is tough. What is Tobacco Mosaic Virus anyway? TMV is a virus found in tobacco plants. It makes leaves look splotchy…

Hemp Russet Mites

Hemp Russet Mites 14

Hemp russet mites are tiny bugs that attack cannabis plants. They are so small you need a magnifier to see them. They live in the crevices of leaves, stems, or buds. The first signs are not serious. Many growers don’t notice…

Heat Stress

Heat Stress 16

Problem: Your cannabis plant can only withstand a certain amount of heat and light. After a certain point, your cannabis will start exhibiting signs of stress on the leaves near the sources of light and/or heat. Your leaves will get…