"Alnus rhombifolia", Picture 17803, U.S.D.A Forest Service, Courtesy of the Hunt Institute
Sunset®: 1-9,14-21
USDA: 6-9b
Sun Exposure: Full sun to light shade
Origin: Western Pacific coast of North America, from Baja California to British Columbia, in moist canyons
Growth Habits: Small to medium-sized deciduous tree, fast growing to 30 to 80 feet tall (9-24 m) or more; light gray, whitish bark on young trees, becomes reddish brown, breaking in plates, when mature; dark green to yellow-green leaves, 2 to 4 inches long (5-10 cm), double-toothed margins and light green underside
Watering Needs: Tolerates wet soils, needs ample water
Propagation: Fresh seeds or cuttings
Blooming Habits:
Catkin-like flowers, the males are drooping, 1.2 to 4 inches long (3-10 cm), females are erect up to 0.6 inch long (1.5 cm). The female catkins turn into a small cone, persistant in winter.
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