Alnus rhombifolia

California White Alder, White Alder

There are about 30 species and many cultivars of the short-lived Alder. Most of these deciduous trees like colder climates and moist or wet soils along streams and ponds. Use in grove plantings or as single, multi-trunked trees. Spring flowers are followed by toothed leaves and cone-like fruits. Roots can be shallow and invasive. They grow rapidly in infertile and poorly drained soils. Prune in winter to remove dead or damaged limbs.
Alnus rhombifolia, California White Alder, White Alder
Very fast-growing, it forms a thin, spreading crown of slender branches with nodding tips. Both cones and catkins dangle among the leaves in fall. Needs regular water or streamside location. Stands up to heat and wind. Watch for tent caterpillars in native West Coast and Pacific Northwest areas.

Attributes - Alnus rhombifolia

Plant Type: Tree

Foliage: Deciduous

Height: 40 ft. to 100 ft.

Width: 40 ft.

Sunlight: Full Sun, Partial Sun

Climate: Zones 3, 4, 5, 6, 7, 8, 9, 10, 11

Notes: Thrives in Hot Climates, Wet Soil. Susceptible to Beetles.

Related Plants

Alnus cordata, Alnus oregona, Alnus rugosa, Alnus sinuata
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