“In the coldest zones of 3 and 4, peonies should be planted just 2 inches below the soil level and no deeper,” says Kubes. “Zones 5 to 7 should plant peonies about an inch deep. And in zone ...

If you live in USDA Hardiness Zones 8 and above, select early-blooming varieties that bloom before temperatures hit sweltering. When selecting a site for peonies, think of them as a tree that will ...