peonies of the coos riviera

Just above the Connecticut River in New Hampshire's Coos County, more than a hundred varieties of herbaceous peonies, tree peonies, and intersectional-hybrid peonies bloom from late May to early July.

Bloom season 2024 now showcases the mid- to late-season peonies,including the intersectional yellow 'Bartzella.' The garden is open for visitors daily from noon to 4:00 pm from Friday, June 14, through Sunday, June 30, except during thunderstorms. Check Dalton weather for current garden conditions as the season progresses.

Email ( or phone (603.837.9800). To see the garden change through its seasons, check out this video: Peony Time