Your description sounds a lot like powdery mildew, which is an easy disease to recognize, and it is common in the landscape at this time of year. It can be a problem that shows up on annuals, ...

Powdery mildew is among the most widespread plant diseases and is easily recognized by its white growth that covers foliage like a dusting of flour. This group of fungal pathogens affects hundreds of ...

Question: What is this white coating on the leaves of my chokecherry tree, and what would you recommend to get rid of it? Answer: The likely culprit for those symptoms at this time of year in New ...

An innocent-looking white dust can signal serious trouble. That soft, powdery coating creeping across leaves doesn’t just sit there looking harmless—it actively weakens plants, slows growth, and ruins ...

Powdery mildew, predominantly caused by Podosphaera macularis, continues to be a critical challenge for hop (Humulus lupulus) growers, affecting both yield and quality. The disease exhibits a complex ...

FORT WAYNE, Ind. (WANE) — Now is the time of year, you’re likely to notice problem insects and plant diseases in your garden. With warmer than average temps, the threat of drought, notwithstanding ...

Q: Last year my grapes had such bad powdery mildew that even the grapes dried up and looked moldy and shriveled. I was told by the master gardeners at the farmer’s market that I needed to do something ...

Texas gardening expert Neil Sperry explains how to help amaryllis, azaleas, oak trees and plants hit by powdery mildew.

A new North Carolina State University study pinpoints the worldwide spread of a fungus that taints blueberry plants with powdery mildew, a disease that reduces blueberry yield and encourages the use ...