Astragalus filipes (Basalt milkvetch)

Long-lived, drought resistant, perennial native legume. Widely distributed throughout the pacific northwest. One to two ft. tall with a woody taproot; showy pale-yellow to creamy white flowers bloom March-May. Prefers coarse to semi-coarse, basalt soils. A component of sagebrush steppe, woodland and forest ecosystems up to 6,000 ft. elevation. Good colonizer after fire. Pollinated by bees.

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INFORMATION & ATTRIBUTES

Family: Fabaceae

Duration: Perennial

Growth Habit: Forb

Native Status: Native

Growth Form: Single crown

Mature Height: 12-40 in.

Bloom Color: White to pale yellow

Bloom Period: Late Spring

Annual Precipitation: 10+ in.

Drought Tolerance: High

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance:

Nitrogen fixation:

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: No

Salinity Tolerance: Low

CaCO3 Tolerance: Medium

pH Range: 5.8-7.3


SEEDING NOTES

Seeds per Pound: 120,000

Seeding Rate:  PLS lbs/acre

Season: Fall/Spring

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

Dry River - Source Identified selection out of Deschutes County, OR.

NBR-1 - Intended for fire reclamation, rangeland restoration, wildlife and pollinator habitat enhancement, and rehabilitation after disturbance. (Released 2008, source of ecotype: OR, ID, CA, NV & UT)