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Rocky Mountain White Oak, Gambel Oak
Scientific Name: Quercus gambelii Nutt.
Family: Fagaceae

Show Larger Picture Picture U.S.D.A Forest Service, Courtesy of the Hunt Institute

Recommended Temperature Zone: sunset: 1-3,10 USDA: 4 to 9 Frost Tolerance: Hardy to 15° F (-10° C) Sun Exposure: Full sun Origin: Southwestern USA (Arizona, Utah, Colorado, New Mexico), northwestern Mexico, above 5000 feet elevation (1500 m) Growth Habits: Small deciduous tree or shrub, slowly growing to 30 feet tall (9 m) or more; the leaves are 3 to 6 inches long (7.5-15 cm), 2 to 3 inches wide (5-7.5 cm), with a hairy underside Watering Needs: Little water Propagation: Seeds (acorns), offsets

Blooming Habits:
Insignificant bloom, catkin-like, in early spring. The female flowers are followed by acorns, ripening in late September.