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White Alder
Scientific Name: Alnus rhombifolia Nutt.
Family: Betulaceae
White Alder (Alnus  rhombifolia)
"Alnus rhombifolia", Picture 17803, U.S.D.A Forest Service, Courtesy of the Hunt Institute
Recommended Temperature Zone:
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.

Fruiting Habits:

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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