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.

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 ...

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 ...

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 ...

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 ...

Brazilian verbena (Verbena bonariensis) is a low-care, drought-tolerant plant, but can be susceptible to powdery mildew, a common fungal problem here in the warm, humid southeast. News & Observer ...

“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 ...

Viburnum plants are popular in yards and gardens, especially during the spring when they bloom. Unfortunately, they’re prone to certain diseases that can compromize their health and appearance over ...

David Markel, research and development manager at Willamette Valley Vineyards, prepares to operate Thorvald at the winery south of Salem. The robot shines an eerie green in the dark of night as it ...