Mr. Dirtfarmer's Blog — Powdery mildew

Wood Ash As A Fungicide and Insecticide   Bud rot attacks your best flowering buds and one of the things that makes bud rot tricky to treat is the fact that it’s internal and systemic.   Bud rot on onions, radishes, potatoes, strawberries, or flowering plants including cannabis is one of the more notorious ruining molds, because you don’t realize it until the plant is basically dying. It’s very common, especially outdoors, when you have less control of the grow space.
If it gets into one plant, watering systems or root beds, other plants can get the same infection. It can...