The 'Spiralis' is a unique variety with densely-textured foliage and spiraling branches that give it a distinct appearance. It has an upright, columnar growth habit and will reach 8-10' tall and 4-6' wide.
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.