Lupinus argenteus (Silvery lupine)

Drought tolerant, bushy leguminous native perennial with violet or whitish-blue flowers, blooming May to September. Widespread in its natural range in shrublands, grasslands and woodlands at mid to high elevations; up to 12,500 ft. Prefers well-drained soils. Aggressive colonizer after disturbance. Seeds are eaten by various birds. Important pollen source for bees and other pollinators. Poisonous to livestock.

DISTRIBUTION / ADAPTATION

Lupinus argenteus (Silvery lupine) map.png

INFORMATION & ATTRIBUTES

Family: Fabaceae

Duration: Perennial

Growth Habit: Forb/herb/subshrub

Native Status: Native

Growth Form: Single crown

Mature Height: 30 in.

Bloom Color: Whitish-blue

Bloom Period: June-September

Annual Precipitation: 12 in.

Drought Tolerance: High

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance:

Nitrogen fixation: Yes

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: No

Salinity Tolerance: Low

CaCO3 Tolerance: Low

pH Range: 5.7-7.5


SEEDING NOTES

Seeds per Pound: 18,300

Seeding Rate: 20-30 PLS lbs/acre

Season:

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

None