Powdery mildew is a common fungal disease that affects a wide range of plants, identifiable by white to gray powdery spots on plant surfaces. Prevention focuses on reducing humidity around plants, ...

Q: Last year powdery mildew spread across most of my garden including my pumpkin and squash patch. Do the spores overwinter in soil? Will turning soil help? Anything that should avoided at all costs? ...

Lots of plants, both edible and ornamental, can get powdery mildew. Unlike many other fungal plant diseases, the fungi that cause powdery mildew thrive in hot, dry weather that's often the norm in mid ...

Powdery mildew is one of those problems that is immediately obvious, once you know what to look for. Here's the bad news: Most local gardeners know it so well because everyone deals with it this time ...

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 ...

Catch this troublesome disease early.

When powdery mildew pops up on your roses, here's get rid of this common plant disease fast. Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching ...

Powdery mildew is a fungal disease affecting many plants, causing a white or gray coating on leaves and slowing growth. The fungus thrives in warm, dry weather with high humidity, especially in ...

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, ...

Q: My peonies have powdery mildew and I'm wondering what I can do to get rid of it. What causes this? I'm planning to divide them this fall but I don't want to spread it into a different flower bed. - ...