The 'Viridis' has a dense, broad growth habit and will reach 8-10' tall and wide at maturity. It is prized for its deeply-cut foliage that stays rich green during the spring and summer, before exploding into golden-yellow and orange fall tones.
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.