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.
This variety is prized for its outstanding fall colors with blazing-red and dark-green foliage and vibrant-yellow flower stalks. It keeps an upright growth habit, reaching 6-8' tall and 4-6' wide.
