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.

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 ...

“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 ...

Roman Gonzalez is the creator of the urban gardening blog MrBrownThumb, founder of the Chicago Seed Library, and a co-founder of One Seed Chicago. Powdery mildew is a widespread and easy to recognize ...

I had some beautiful columbines in pots that were killed by powdery mildew. I saved the seeds. Now I have 12 plants with signs of mildew. Should I let them go dormant, or fight the mildew with a ...

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, ...

SPOKANE, Wash. -- Spokane's WSU Extension Master Gardener Program is sharing tips for anyone concerned about powdery mildew on their maple trees this year. According to the city of Spokane, powdery ...

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 ...

Dear Master Gardener: My Veronica plants have a white powder all over the leaves, but none of my other plants have it. What is wrong with the Veronica and should I do something about it? Answer: It ...

Many homeowners have noticed the appearance of a strange white, powdery substance on their garden plants. Questions arise such as, what is it, will it harm my plants and how can it be controlled? What ...

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 ...

Question. A very attractive orange flowering vine is climbing local trees, shrubs and fences. What is the name, and does it need control? Answer. Obviously, it is out of control, but very colorful ...