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Columbia milkvetch

Astragalus succumbens

Also called Crouching Milk Vetch

Columbia milkvetch
Photo: Jhorthos, CC BY-SA 4.0

Columbia milkvetch is a small, sprawling perennial legume native to the Columbia River valley of north-central Oregon and south-central Washington, usually found in sandy soil among sagebrush. It is a wild species of dry, open ground, so it needs sun, good drainage and little water.

Family
Fabaceae (Pea & bean family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings; it tolerates drought once established.
Soil
Sandy, free-draining soil; poor soil is fine.
Temperature
Hardy in cold winters typical of its native range; protect young plants from extreme cold.
How easy
Moderate
Native range
C. & SE. Washington to N. Oregon
Climate
temperate

About

Astragalus succumbens is a perennial species of flowering plant in the legume family, commonly referred to as Columbia milkvetch. Other names include the crouching milkvetch and sprawling milkvetch. It is native to north-central Oregon and south-central Washington in the Columbia River valley.

Where it grows

Astragalus succumbens is found in the Columbia River valley in northern Oregon and south-central Washington. It usually grows in sandy soils among sagebrush and in somewhat barren areas.

Other Astragalus plants

Astragalus aboriginum · Rogue River milkvetch · Sharp-leaved Milk Vetch · Sharpkeel milkvetch · Humboldt County milkvetch · Purple milkvetch · Cushenbury milkvetch · Astragalus alopecurus · Alpine milkvetch · Crescent milkvetch · Hermit Milkvetch · Anderson's milkvetch

Text excerpted from the Wikipedia article Astragalus succumbens by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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