Silvery Lupine

Lupinus argenteus Pursh - Pea family

Size

Mature Height: Up to around 18 inches

Planting Distance: 4.0 feet

Plant Type: Subshrub, Forb/herb

Root Depth: 6 inches

Growth Form: Multiple Stem

Growth Rate: Rapid

Features

Flower Color: Blue

Conspicuous Flowers: Yes

Bloom Time: Late Summer

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: None

Fire Tolerance: Low

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly)

Larval Species depending on Silvery Lupine: Celastrina argiolus lucia/neglecta, Erynnis persius, Glaucopsyche lygdamus, Glaucopsyche piasus, Lycaeides melissa, Plebejus icarioides

Native Range

  • CAN:  Alberta, British Columbia, Saskatchewan
  • USA:  Arizona, California, Colorado, Idaho, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wyoming
  • MEX:  Mexico Northeast, Mexico Northwest
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.