American Dunegrass

Leymus mollis (Trin.) Pilg. ssp. mollis - Grass family

Size

Mature Height: Up to around 4.0 feet

Planting Distance: 20 inches

Plant Type: Graminoid

Root Depth: 16 inches

Growth Form: Rhizomatous

Growth Rate: Rapid

Features

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Late Spring

Seasonal Growth: Spring and Fall

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: High

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: High

Native Range

  • USA:  Alaska, California, Illinois, Maine, Massachusetts, Michigan, New Hampshire, Oregon, Pennsylvania, Washington, Wisconsin
  • CAN:  Alberta, British Columbia, Newfoundland, Manitoba, New Brunswick, Newfoundland, Northwest Territorie, Nova Scotia, Nunavut, Ontario, Prince Edward I., Québec, Saskatchewan, Yukon
  • DEN:  Greenland
Regional Native Status: L48 (N), AK (N), CAN (N), GL (N), SPM (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.