Lupinus argenteus (Silverleaf lupine)

Low to moderate water requirement; full sun to partial shade. Perennial with blue or whitish-blue flowers, blooms June to September in mid to high elevation montane sites. Found generally on dry slopes or open, high elevation sagebrush flats. Closely related to L. caudatus. Lupinus argenteus ssp. rubricaulis is thought to be a hybrid of the two.

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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