Your garden is looking good, with everything lush and blooming. But now you’ve noticed a weird grayish-white film on some ...

Powdery mildew on peonies is a common problem, but it's easy to treat if you catch it early. Find out how to banish this unwanted fungus from your garden.

High humidity and recent rain are creating perfect conditions for powdery mildew to spread on your garden plants.

An innocent-looking white dust can signal serious trouble. That soft, powdery coating creeping across leaves doesn’t just sit there looking harmless—it actively weakens plants, slows growth, and ruins ...

Powdery mildew is among the most widespread plant diseases and is easily recognized by its white growth that covers foliage ...

You might have noticed some strange white powder on your grass. It can appear in specific circumstances, and it might be a ...

“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 ...

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 ...

URBANA, Ill. — The summer is always a little brighter in the garden when brightly colored zinnias are among the various plants. Zinnias are heat and drought-tolerant plants that attract a variety of ...

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 ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy. May ...