Peonies

Use our zone-based planting guide to know when to plant peonies.

Plant name Zone Start seeds indoors (spring/fall) Start seeds outdoors (spring/fall) Plant seedlings/transplants outdoors (spring/fall) Plant spacing # plants per person
Peonies 3a Not recommended Not recommended July 15-Aug. 1 3-4 feet n/a
Peonies 3b Not recommended Not recommended July 15-Aug. 1 3-4 feet n/a
Peonies 4a Not recommended Not recommended July 15-Aug. 1 3-4 feet n/a
Peonies 4b Not recommended Not recommended July 15-Aug. 1 3-4 feet n/a
Peonies 5a Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 5b Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 6a Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 6b Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 7a Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 7b Not recommended Not recommended Aug. 15-Sept. 1 3-4 feet n/a
Peonies 8a Not recommended Not recommended Sept. 15-Oct. 1 3-4 feet n/a
Peonies 8b Not recommended Not recommended Sept. 15-Oct. 1 3-4 feet n/a
Peonies 9a Not recommended Not recommended Sept. 15-Oct. 1 3-4 feet n/a
Peonies 9b Not recommended Not recommended Sept. 15-Oct. 1 3-4 feet n/a
Peonies 10a Not recommended Not recommended Not recommended Not recommended n/a
Peonies 10b Not recommended Not recommended Not recommended Not recommended n/a
Peonies 11a Not recommended Not recommended Not recommended Not recommended n/a
Peonies 11b Not recommended Not recommended Not recommended Not recommended n/a

*Herbaceous peonies grow well in Zones 3-7; tree peonies can grow up to Zone 9. Consult your local Extension office to find a variety that will work well in your area. Plant 6-8 weeks before the first frost in the fall for blooms the following year.