Powdery mildew is common plant disease that can quickly make a mess of your roses. It shows up as a dusty white coating on ...

Please advise what I can do about my azalea bushes. The tops of the leaves are covered with tiny white spots and the undersides of the leaves are covered with reddish brown spots. The new growth ...

“Powdery mildew is usually seen on the broadest sections of the plants, starting out as small, white, circular spots or discoloration on the plant’s leaves,” explains Pangborn.

Q: My tomato plants have started to get white spots on the leaves. Before it gets any worse and spreads to other plants, I would like to know what it is and how to get rid of it. A: Considering ...

Powdery mildew, one of the most easily identifiable fungi, first appears as white spots on plants and then spreads. In some plants, the leaves eventually turn yellow or brown and fall off, leaves o… ...

Q. Most of the leaves on our desert rose plants have white spots. Could this be a fungus, and what is a control? A. The white spots look like they could be the growth from a fungus – but each… ...

How do I spot powdery mildew? The first, barely visible, signs are yellow spots or tiny blisters on the leaves or flowers. Beneath these, the infection develops and white patches start appearing on ...

Tomato plants are susceptible to fungus. (AP Photo/Dean Fosdick) Question: What is causing small black spots on the leaves of my tomato plants? Right now the spots are showing up on several leaves ...

Spots and patches of a white or gray talcum powder-like substance on your plant means powdery mildew infected your plant. This is one of the most widespread fungal diseases and attacks a wide ...

Courtesy of OSU Extension Service What's causing spots on Hoya leaves? Q: I have what seems to be a very healthy Hoya plant but it is seems to be getting some tan/brown spots on a few of the leaves.