Q: My peonies have powdery mildew and I'm wondering what I can do to get rid of it. What causes this? I'm planning to divide them this fall but I don't want to spread it into a different flower bed. - ...

Dear Carol: For the past two years, my peonies have gotten white spots on the leaves. This happens after they have finished blooming. Some of the stems are now covered with what appears to be a white ...

Q: I’ve had peonies for many years. This fall when I cut them back, some were white, as if covered with mold. Will it affect the plant next year? Should I be doing anything about it? Do you know what ...

“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 ...

This is the time of year we are all busy cleaning up our gardens for winter. Hopefully you have taken pictures of where things were planted this year. This helps next spring when plants emerge and it ...

Q. My peonies have a white residue on the leaves and seed heads. I sprayed a fungicide on July 26. We sprinkle with city water. What is causing the peony problem, and how should I cure it? Now the ...

Peonies are a common sight in many yards. They are typically grown for their showy blooms in the spring but also have attractive foliage that can act as a backdrop in landscape beds. While peonies are ...

Hey, folks, Its a fact of gardening that once you get your flowers planted, the real work begins. No sooner do your plants peak than the bugs find them. So the gardener's motto for June should be ...

An example of a cutback peony (left) and a peony leaf with powdery mildew and leaf spots. Q: My peonies were covered with powdery mildew and brown spots, so I cut them back. Will they come back next ...

Dear Master Gardener: Some of my peony bushes have leaves that have turned powdery white. Should I take some action? Answer: It sounds like your peony bushes are infected with powdery mildew, a fungal ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q • I have two peony bushes, one white and one pink. They are more than five years old and bloom every year. This year the pink ...