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.
Degroot's Spire' has tight clusters of deep-green foliage. It keeps a neat, dense, conical growth habit, reaching 20-30' tall and 4-6' wide.