White Alder | Alnus rhombifolia - Benton Soil And Water Conservation District

White Alder | Alnus rhombifolia

May contain: land, nature, outdoors, plant, vegetation, swamp, water, tree, root, and woodland

Photo Credit: Seven Oaks Native Nursery

May contain: plant, vegetation, tree, food, fruit, produce, and leaf

Tolerant of seasonal inundation and drought. Nitrogen fixing and cold hardy.

Plant Details

Habitats	Riparian Forests, Bottomland Forests
Habitat Notes	Bottomland Forest; Riparian Forest; Excellent shade and erosion control along streams.
Arboretums
Years Planted at Arboretums	2011, 2012, 2010
Mature Height	40-80’
Shade Preference	full sun, part shade
Soil Tolerance	Moist soils
Special Uses	Attracts birds; Provides wildlife forage, cover and food; Provides bank stabilization

May contain: animal, bee, honey bee, insect, invertebrate, and wasp

Native Plant Database

We have a large searchable database of plants that are native to the Willamette Valley and other parts of Benton County. View images and filter the list by plant characteristics

May contain: bud, flower, plant, sprout, vegetation, petal, and leaf

Why Plant Native Plants?

There are so many good reasons to plant native plants!

May contain: plant, potted plant, garden, nature, outdoors, soil, jar, planter, pottery, vase, herbal, herbs, clothing, coat, cap, hat, face, head, person, photography, portrait, gardening, jacket, glove, wood, accessories, glasses, adult, female, woman, indoors, interior design, footwear, shoe, bag, and handbag

Native Plant Sales

May contain: countryside, farm, field, nature, outdoors, pasture, rural, grassland, meadow, plant, vegetation, grass, fence, tree, land, and woodland

Riparian Forests

Riparian areas are defined by NRCS as ecosystems that occur along waterways and water bodies. They serve as the transition between aquatic and terrestrial zones.

Bottomland Forests

Bottomland forests are generally used to describe forests which are comprised of both hardwood and softwood tree species that occur on low-elevation, alluvial floodplains or lower terraces of rivers…

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