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 ...

These long-lived perennials provide beautiful displays with their short, shrubby growth; dark glossy foliage (some species); and showy blooms, even though the blooms may not last long. It is true that ...

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 ...