American Dunegrass

Leymus mollis

American Dunegrass

Robert Steers/NPS

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Leymus
Species:
Leymus mollis

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun, jul, aug
Bloom Colors:
Not Applicable

Native Range

United States: Alaska, California, Illinois, Massachusetts, Maine, Michigan, New Hampshire, Oregon, Pennsylvania, Washington, Wisconsin, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 8.0 (slightly acidic to alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Commonly found in coastal sand dunes.

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o