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.

It seems to spring up overnight: powdery mildew. The splotchy white and gray dust covers the leaves and stems ofmany of the most popular plants. Woody perennials like lilacs,roses, azaleas, ...

It seems to spring up overnight: Powdery mildew. The splotchy white and gray dust covers the leaves and stems of many of the most popular plants. Woody perennials like lilacs, roses, azaleas, ...

Two of my favorite long-keeping winter squash, 'Muscade de Provence' and 'Marina di Chioggia' are planted and growing fast. You'd think from their vigor that nothing could get in the way of a fine ...

Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching infections early is key to stopping them from spreading by removing diseased parts and applying ...

Dear Jessica: I believe my 25-year-old peonies have powdery mildew. The stems are white and so are a few of the leaves. I don't see any insects. What is the best way to handle this? -- Rita Stasi, via ...

Dear Carol: For the past two years, my peonies have gotten white spots on the leaves. This happens after they have finished blooming. Some of the stems are now covered with what appears to be a white ...

If you do it consecutively on aphids for a number of days, they will actually suffocate." Gardener reveals genius hack for fighting off aphids with common kitchen item: 'It really does work' first ...

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 ...