Plant peonies in full sun
Use well-draining soil
Plant crowns at the correct depth
Water deeply but infrequently
Avoid overwatering
Mulch lightly, keeping mulch away from crowns
Fertilize in early spring with a balanced fertilizer
Do not overfertilize with nitrogen
Remove spent blooms after flowering
Cut back foliage in fall after it dies back
Support heavy flowers with stakes or rings
Divide only when necessary
Transplant in early fall if needed
Protect young plants from strong winds
Monitor for botrytis and other fungal diseases
Remove diseased foliage promptly
Keep the area around plants clean
Avoid crowding peonies with other plants
Leave foliage intact until frost
Give plants time to establish before expecting full blooms