Seedling

Overwatering: wet roots that can’t get air Drooping or yellowing leaves on a pot that still feels heavy usually mean the roots are too wet. Don't water or feed… Underwatering: a light pot and a limp plant A limp plant in a pot that feels very light probably just needs water. Water it slowly until the whole pot is… Heat stress: when the tent is running too hot Wilting or curling on a plant with moist roots, in a tent that runs hot, may be heat stress. Measure the temperature… Nutrient burn: brown tips and edges from too much feed Brown, crispy tips or edges after a stronger feed may be nutrient burn, but other problems look the same. Test before you… Hemp russet mites: the pest you can’t see Upward-curling leaf edges and a dull, bronzed look, with no webbing and no bugs you can find, may mean russet mites. They're… Fungus gnats: small flies around wet soil Small dark flies around the pot usually mean the soil is staying too wet. The adults are a nuisance. Their larvae can… Thrips: silvery scrapes and black specks Silvery or pale scraped patches with tiny black specks point to thrips. Look for the slender insects themselves before you treat, because… Root rot: brown roots and a plant that keeps declining Wilting or stunting that watering and feeding don't fix, with brown or decaying roots, points to root rot. Check the roots before… How to train autoflowers safely Autoflowers run on their own clock, so train gently and early. Bending and tucking leaves is safest. Only top a plant that's… Cannabis pH: what the research actually says Match pH to your medium and measure it the same way every time. Hemp research shows very acidic substrate can slow growth,…