Tree Peony Vs Herbaceous Peony. They are very responsive to feeding, but care should be taken. All peonies are deer-proof, long-lived, and easy to grow.
Hope's Star of Heaven | Pink Hybrid Herbaceous Peony ... (Madge Cummings)
The plants have long held a place of honor in the gardens. All peonies are deer-proof, long-lived, and easy to grow. However, the foliage is recognizable as that of a tree peony.
They are not like herbaceous peonies, which are cut or die back to the ground each year.
Fertilize a tree peony the same way you do for its herbaceous counterpart.
However, avoid a completely exposed position where flower petals could blow away quickly. Itoh, or intersectional peonies, are crosses between herbaceous peonies and tree peonies. Tree peonies blooming at Cricket Hill Garden.