Help, my plant is covered in a white, powdery fungus! What do I do?” First, don’t panic. While powdery mildew may not look pretty, it rarely causes significant damage except in cases of severe ...

It can't get much better than the scent of peonies filling your yard in spring. Renowned for producing large, open flowers, ...

“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?

What are those spots on my peony? Powdery mildew and leaf blotch. By KEN JOHNSON U of I Extension; Jun 17, 2023 Jun 17, 2023; 0; ... show up fairly regularly on plants during the summer months.

Zinnias, pictured, are susceptible to powdery mildew. Other favorite, but vulnerable, flowers include hydrangeas, lilacs, phlox and peonies. Monitor these varieties regularly for symptoms.

Since powdery mildew can spread via splashing water, pay attention to how you water your plants. It’s always best to water in the morning because this allows water that lands on the plants to ...

This fungus is especially common on tomato plants but is found on many species. Plants are infected from the bottom up, so ...

If your peonies had powdery mildew this past year, you want to make sure that when they go dormant this fall, you clean up and discard any of the infected leaves. Also look at the location of the ...

As the growing season progresses, keep an eye out for a white or grayish-white powder on your plants. That's powdery mildew, a fungus that affects a wide range of fruits, Why you should take steps ...