Browse Trees

White Alder

Alnus rhombifolia

Native to Pacific Northwest Valuable to wildlife

Characteristics:
Fast-growing, native tree that produces miniature "cones" and fixes nitrogen in the soil.

Growing Conditions:
Tolerant of wide range of conditions, from full sun to partial shade, moist to dry soil.

Uses:
Native peoples used this tree to make dye.

Height:
50' at maturity

Width:
20' at maturity

Shape:
Broad, dome-shaped, open crown

Flowers:
Produced during early spring in slender, small, cylindrical catkins.

Leaves:
Lustrous, dark green leaves with serrated leaf margin.

Bark:
Thin and pale gray when young, breaking into irregular plates with age.

This tree is native to western North America and can be found in the Pacific Northwest; British Columbia to California; east along tributaries of the Columbia River into Idaho.