Do Peonies Grow In Zone 9. Peonies can be grown in USDA zones 3-8 they can also be grown in zone 9 with a little extra effort and need a winter chill to bloom. In most of the US the rules for success are simple.
Department of Agricultural hardiness zone 9 is challenging because it is not cold enough to sufficiently chill the plants which is what induces the blooms according to Clemson University Cooperative Extension. If you add a tree peony to your garden or landscape choose the planting location carefully. 13062007 Has anyone had luck growing herbaceous peonies in zone 9.
Lactiflora grow well in USDA zones 8 through 9 advises University of Californias Sonoma County Master.
They bloom before the herbaceous peonies April - May and produce incredibly large flowers. 04042007 Peonies are heavy feeders and dont really make good subjects for pot plants. This variety is created by crossing an herbaceous peony with a tree peony they thrive in zones 4-9 and bloom around late Spring. They bloom before the herbaceous peonies April - May and produce incredibly large flowers.