The 'Koster's Fast Form' will reach 6-8' tall and 4-5' wide and maintains a dense, upright growth habit. Its deep-green foliage is slightly weeping and gives this plant a beautiful, fan-like appearance.
The 'Verdonii' has attractive, irregular branching and variegated foliage to add both color and texture to your landscape. It has an upright, twisting growth habit and will reach 6-8' tall and 4-6' wide.
This variety is prized for its showy, blue-green, curving foliage. Huge heads of creamy-white blooms appear in spring. Grows 6-8' tall and wide at maturity.
