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.

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 ...

The grayish white powdery growth you are seeing on the dahlia leaves is caused by a fungus and can also be a common garden problem on other plants. Many species of fungi can cause powdery mildew on ...

“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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you've spotted those signature white or gray powdery dots on your shower curtain or wall, you're ...

(Beyond Pesticides, March 17, 2021) Ultraviolet radiation (UV-C) applied at night can successfully kill powdery mildew in farm fields, providing a potential route to significantly reduce the use of ...

Willamette Valley Vineyards is using a special band of ultraviolet light, called UVC, to help preserve it’s prized wine grapes. “In our research, we found that the special band of light also kills ...

I got an email this past week from a reader which had a question that I have not seen very often — at least not very often on this plant. The question I got was very strange in that only a part of the ...

Due to California’s dry summers, powdery mildews are more prevalent in Marin County than many other leaf-infecting diseases. These fungi affect virtually all kinds of plants: cereals, grasses, ...