Peony Flower Growing Zone. Peonies prefer a cold winter for optimal flower production. Herbaceous peonies only grow in cool climates with cold winters such as Tasmania Victoria and mountain districts they need cold to help trigger the development of the flower bud.
Peonies need at least a half-day of sun minimum of six hours of sun a day. Peonies grow best in cool climates Hardiness zones 3-8. Plant your peonies well away from other trees and shrubs since they dont like to compete for nutrients and water.
16042020 If you grow any types of peonies in zone 8 or 9 and would like to add to our growing advice we would love to hear from you.
17062021 Give each peony plant enough space to grow to maturity without being crowded. Plant your peonies well away from other trees and shrubs since they dont like to compete for nutrients and water. Check your hardiness zone here. Growing Peonies in Dallas TX USDA zone 8 Typical bloom time.