Powdery mildew was a big problem in the greenhouse last growing season.  I’ve never had a greenhouse before and, amazingly enough, have never had a problem with powdery mildew in my outdoor food or ornamental gardens. So I was unprepared to recognize and remediate it. I was always behind and despite trying a few remedies, I never caught up before removing the last tomato plants … Continue reading Powdery Mildew Challenges