The 'Autumn Rocket' produces white, semi-double blooms that appear in mid-fall. It has a dense, columnar growth habit, reaching 8-10' tall and 3-4' wide at maturity.
Sister Theresa' produces massive, true-white blooms. It will grow to be 4-5' tall and wide at maturity.
Deeply-cut foliage turns burgundy-red in the fall. Clusters of white flowers bloom from spring to frost. Reaches 5-6' tall and wide.
Sike's Dwarf' will mature to 2-3' tall and 3-4' wide. White flowers age to pink as the seasons change. Deep-green leaves turn shades of bronze, maroon and purple in the fall.