Paeonia Renkaku, White Tree Peony

Paeonia Renkaku, White, Tree Peony

Renkaku or White Tree Peony, Paeonia suffruticosa, is coveted for its enormous, snow-white blossoms that appear in spring. Loaded with velvety petals, its blossoms bring ethereal, exotic beauty to the garden. Sweetly fragrant.

Tree Peonies are woody shrubs that do not die to the ground like garden peonies. They mature to incredible specimen plants 3-7’ tall depending upon variety. Mature plants are know to have 50 blossoms. Deer and rabbit resistant. Very long lived, they can live 50-100 years or more.

Planting – Tree Peonies are grafted plants. When planting add compost and bury the graft union (bulge on main stem) 4-6″ below the soil surface. This will encourage more roots. After planting, only an inch or two of the woody stem may show above the ground. A partially shaded site, protected from the hot afternoon sun, will prolong the lives of its blossoms.

Fertilizing – To encourage a bumper crop of spring flowers an application of bone meal or a fertilizer with a high potash content should be applied in early fall. In spring, lightly fertilize with an all purpose fertilizer.

Pruning – Tree Peonies rarely need pruning except to remove dead wood, although they can be pruned to rejuvenate an old shrub, or to maintain a desired shape and size. The best time to prune is early spring just as their buds are swelling, yet Gardener beware, you will be pruning off spring flowers.

See more Tree Peonies here.

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