Flattened Oatgrass

Danthonia compressa Austin

Grass family

Plant Type

Graminoid

Life Cycle

Perennial

Mature Height

29 inches

Flower Color

Yellow

Bloom Time

Late Spring

Growing Conditions

Light

Shade Tolerance Tolerant

Water

Water Use Medium

Drought Tolerance Medium

Flood Tolerance None

Soil

Soil Types Clay, Loam, Sand

CaCO3 Tolerance Low

Fertility Need Low

Stress Tolerance

Fire Tolerance High

Salt Tolerance None

Climate

pH Range 4.8 – 7.0

Frost-Free Days 90 days

Precipitation 32 – 55 in

Ecosystem & Wildlife

Pollinators Wind

Fall Color No

Evergreen No

Native Range

USA: Alabama, Alaska, Arkansas, Connecticut, Delaware, District of Columbia, Georgia, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode I., South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin
CAN: Nova Scotia, Ontario, Prince Edward I., Québec

Regional Native Status: L48 (N), AK (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.