Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00000951
01/01/98
Hardiness Zones: 4 to 8 Height: 100 ft Spread: 40 ft Form: pyramidal Type: deciduous tree (conifer) Annual Growth Rate: more than 18 inches
Comments: Dawn Redwood was known from fossils before living plants were discovered in China. Although it looks like an evergreen, the needles are deciduous. The tree grows rapidly but late season growth may be injured by early frosts. The preferred soil is moist and moderately fertile.
Cultivars:
'National' - A selection made by the U. S. National
Arboretum that has more upright branching.
'Sheridan Spire' - A selected form that is compact and
much narrower than the species.
References for Cultivars: Sheridan Nurseries 1995, Princeton Nurseries 1997.