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.

You might be noticing powdery mildew (a disease that causes a grayish, powdery film on leaves) in your garden. Common plants that could be affected are lilacs, phlox, bee balm, zinnias and nannyberry ...

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 ...

One of the best parts about having a garden in the summer is watching your plants grow throughout the season. But if you’re out gazing at your garden one day and notice some white circular spots on ...

SEATTLE — Seattle gardening expert Ciscoe Morris has gathered some common kitchen ingredients to solve a common gardening problem, not start a kitchen show. "This rose is called Oso Easy,” Ciscoe said ...

Hydrangeas are a favorite flowering shrub among gardeners. With their dark green leaves and big, showy blossoms in shades ranging from blue to deep pink, they can easily steal the spotlight in any ...

“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 ...

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 ...

A key to surviving in the wild is fighting off infection -- and not just once. For plants, as with humans, one infection may or may not leave a plant with lasting immunity. Biologists conducted a ...