The falling temperatures don't just impact plants in your garden, but also those you keep indoors and in greenhouses as well. A problem that can occur with numerous different plants is fungal ...

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 ...

“The leaves of my peonies are covered with what appears to be a white mold, with some of the leaves even turning brown already. What is this problem, and will it affect the plants next year? Should I ...

“My red rhododendron looks as if it has a layer of ash or white powder on it (above). What should I do?” asks Birds & Blooms reader Steven Graves of Aptos, California. Horticultural expert Melinda ...

If you've started to notice tiny, white, powdery, or splotchy spots on your plants, you might be dealing with a common fungal disease known as powdery mildew. While it typically doesn't cause ...

COLUMBIA, S.C. — If it's August in the south, it's hot and it's humid. While many plants don't mind the humidity, there's a particular fungus that thrives in this weather called powdery mildew. It can ...

The emergence this spring of a powdery, white film covering the leaves of bigleaf maple trees was a puzzling sight for Keyport resident Joy Rosenblum. "At first, I thought it was ash, as it was near ...

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 ...

Nothing says sunshine like a warm, ripe tomato and after our long wet winter, we’re all eager for as much delicious “sunshine” as we can plant. But take care with how you plant tomatoes this year, ...

Question: The leaves on some of my perennial flowers, vegetables, and shrubs have a dusty, white powdery appearance. Are these plants diseased? What can I do to control the problem? Answer: The ...