An exceptional U.S. National Arboretum introduction. Enjoy a profusion of robust flower clusters that ...

A profusion of exceptionally large white blooms in summer that quickly age to deep pink. Robust blooms ...

Large, dense, white flower clusters are held upright above the dark green oak leaf-shaped foliage. The ...

Long, cone-shaped clusters of pure white flowers mature to pink with age. Dark green oak-like leaves ...