A stunning mixture of pink and purple hydrangeas - Fanpro/Getty Images Hydrangeas are a favorite flowering shrub among gardeners. With their dark green leaves and big, showy blossoms in shades ranging ...

“My red rhododendron looks as if it has a layer of ash or white powder on it (above). What should I do?” asks Birds & Blooms reader Steven Graves of Aptos, California. Horticultural expert Melinda ...

Powdery mildew is one of the most common diseases to impact plants. While almost no type of plant is immune, certain species are more susceptible than others. Luckily, there are effective powdery ...

Well, it's the end of August. Soon the kids will going back to school. And, as fall approaches, it's a great time to plant trees and shrubs. The cooler day and night temperatures mean we don't have to ...

IF YOU’VE EVER observed grayish-white powdery spots on leaves, shoots and sometimes on flowers and fruit in your garden, you’ve probably seen evidence of powdery mildew fungi. Powdery mildews are more ...

Dear Jessica: I believe my 25-year-old peonies have powdery mildew. The stems are white and so are a few of the leaves. I don't see any insects. What is the best way to handle this? -- Rita Stasi, via ...

Some of my perennials and a young maple tree have what appears to be a white residue on the leaves. Some of the plants are turning brown, as I would expect them to do in early November. Most of the ...

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 ...