“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 ...

Your description sounds a lot like powdery mildew, which is an easy disease to recognize, and it is common in the landscape at this time of year. It can be a problem that shows up on annuals, ...

Answer: It sounds like your Veronica (speedwell) and Phlox plants have powdery mildew — a very common disease found on ornamental plants. Powdery mildews are host specific, so the powdery mildew ...

Think of mildew as "mold lite." They are both fungi, but mildew has shallower roots and is generally less problematic than ...