Learn how to identify, prevent, and treat powdery mildew with this guide. Discover organic and chemical treatment options, as well as management strategies for long-term control.

I went away for the weekend and came home to find some my plants covered with what looks like a white powder. What should I do? — L.H. Powdery mildew becomes apparent when you notice a whitish ...

Q: My overwintering chard has started to show a "white powdery" substance covering both front and backsides on some of the leaves. Photos are attached comparing normal and white powdery leaves on the ...

A global fungal invader is threatening blueberries everywhere. NC State researchers found that Erysiphe vaccinii, the culprit behind powdery mildew, has escaped its U.S. roots and spread across ...