In spring, the soil-borne fungus botrytis (gray mold), can be a problem, particularly on lactiflora peonies in the Willamette Valley. Symptoms include sudden leaf wilt, stems that rot off at ground ...

Few insect pests bother peonies, but peonies can have disease issues. The worst and perhaps most prevalent is botrytis blight (sometimes called peony blight). Botrytis seems to be especially ...

Peonies (Paeonia spp., USDA Headiness Zones 3 -8) are not high-maintenance divas. Despite their gorgeous blooms, peonies once established, are some of the most easygoing perennials you’ll ever grow.

Garden peonies have been used in Ohio landscapes for a long time. It's not unusual to find clumps of these non-natives growing where old homes once stood. However, this old group of perennial ...

Q: Why would peonies form buds but not bloom? My peony put out five buds this year. One bloomed, and the other four died. A: My first impulse was to kiddingly say “Not enough ants!” But we know the ...