powdery mildew

Categories RosesPosted on

My newly planted groundcover rose “The Fairy” has been attacked by powdery mildew. I’m finding a few newly planted shrubs having the same problem. The likely cause is the very hot and dry weather we had in May, just as the shrubs were getting settled and expanding their root area. In general, powdery mildew attacks … Continue reading “powdery mildew”