Peonies typically bloom from late spring to early summer, with the exact timing depending on the variety and the growing zone. Here's a general guideline by USDA hardiness zones:
- Zones 7-8 (warmest zones peonies tolerate): Bloom starts in April, lasting into May, with some varieties blooming into early June.
- Zones 5-6: Bloom generally occurs from May into early June.
- Zones 3-4: Bloom starts very late May through late June.
- Zone 2: Bloom time can be from June into July.
The bloom period within a season is relatively short for individual plants, usually lasting about 7 to 10 days. However, by planting varieties that bloom at different times (early, mid, and late season), the overall peony season can last several weeks, up to 6 to 8 weeks. In most locations, tree peonies bloom first (around Mother's Day in May), followed by herbaceous peonies around Memorial Day end of May, and then intersectional varieties. Proper selection and planting can extend the enjoyment of peonies from April through June. In 2025, peony season is expected to begin around the final week of April depending on weather conditions. Summary:
- Peonies bloom from April to July depending on zone and variety.
- Bloom time is brief per plant (7-10 days).
- Different varieties can spread the season over several weeks.
- Peak bloom times are generally May and June.
