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For the South/Heat-Resistant Peonies
Heat-Resistant Peonies
Most peonies grow best in cool climates, requiring 400 hours of winter temperatures below 40 degrees Fahrenheit to set buds. The chill of winter induces dormancy, and less heat and humidity during the blooming season helps these beauties form more flower buds. Varieties like the ones below these bloom early in the season before hot weather arrives, which makes them an ideal choice for Southern gardens.