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.
Whipcord' is a shrubby, slow-growing, dwarf variety that features pendulous whipcord-like foliage. It keeps a mounded habit, reaching 4-5' tall and wide at maturity. Deep-green foliage takes on bronze tones in the winter.
