The 'Black Dragon' is prized for its unique branching habit and deep, green foliage that darkens as it ages. It has an open, pyramidal growth habit and will reach 8-10' tall and 4-6' wide at maturity.
The 'Mushroom' is known for its mounded growth habit and its finely-toothed foliage that turns bronze-red in the winter. It has a very dense growth habit and will reach 2-3' tall and wide at maturity.