Green Needlegrass

Nassella viridula (Trin.) Barkworth

Grass family

Plant Type

Graminoid

Life Cycle

Perennial

Mature Height

24 inches

Flower Color

Yellow

Bloom Time

Late Spring

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Low

Drought Tolerance High

Flood Tolerance None

Soil

Soil Types Clay, Loam

CaCO3 Tolerance High

Fertility Need Medium

Stress Tolerance

Fire Tolerance Medium

Salt Tolerance Medium

Climate

pH Range 6.6 – 8.4

Frost-Free Days 90 days

Precipitation 15 – 24 in

Ecosystem & Wildlife

Pollinators Wind

Fall Color No

Evergreen No

Native Range

CAN: Alberta, British Columbia, Manitoba, Northwest Territorie, Saskatchewan, Yukon
USA: Arizona, California, Colorado, Idaho, Illinois, Iowa, Kansas, Minnesota, Montana, Nebraska, New Mexico, North Dakota, South Dakota, Utah, Wisconsin, Wyoming
MEX: Mexico Central, Mexico Northeast

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.