Western Stoneseed

Lithospermum ruderale Douglas ex Lehm. - Borage family

Size

Mature Height: Up to around 18 inches

Plant Type: Forb/herb

Root Depth: 12 inches

Growth Form: Multiple Stem

Growth Rate: Moderate

Features

Flower Color: White

Conspicuous Flowers: No

Bloom Time: Late Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: No

Drought Tolerance: Medium

Flood Tolerance: None

Fire Tolerance: Low

Salt Tolerance: Low

Ecosystem Interactions

Pollinators: Native Bees; Larval Host (Moth); Hummingbirds

Larval Species depending on Western Stoneseed: Carmenta verecunda

Native Range

  • CAN:  Alberta, British Columbia, Saskatchewan
  • USA:  California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming
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.