'Twombly's Red Sentinel' has an extremely dense, upright growth habit and will reach 10-12' tall and 6-8' wide at maturity. Its deep, burgundy-purple foliage turns vibrant-red in the fall. Bark turns deep red in the winter.
The 'Green Wave' has a tiered growth habit with wide-spreading branches. It will reach 4-5' tall and 6-8' wide at maturity. Its thick, green foliage will keeps its luster throughout the year.
