Powdery mildew is a fungal disease affecting many plants, causing a white or gray coating on leaves and slowing growth. The fungus thrives in warm, dry weather with high humidity, especially in ...

Q. Is there any way you could help in figuring out what is wrong with our lilac? – C.B. via email. A. Lilacs are quite susceptible to a fungal disease called powdery mildew, which causes a ...

“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 ...

Cream of tartar is one kitchen ingredient that's been touted as a solution for fungal issues, but this acidic substance may not actually stand up to the task.

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 ...

It creeps into the garden on humid summer nights, coating leaves with ghostly white: powdery mildew. From bee balm to phlox and lilacs to apple trees, hundreds of common garden plants can be ...

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 ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Powdery mildew is a disease common in trees that appears as a white powdery ...