Arizona Threeawn

Aristida arizonica Vasey

Grass family

Plant Type

Graminoid

Life Cycle

Perennial

Mature Height

24 inches

Flower Color

Yellow

Bloom Time

Mid Summer

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Low

Drought Tolerance High

Flood Tolerance None

Soil

Soil Types Sand

CaCO3 Tolerance Low

Fertility Need Low

Stress Tolerance

Fire Tolerance Low

Salt Tolerance Low

Climate

pH Range 5.5 – 7.5

Frost-Free Days 160 days

Precipitation 2 – 15 in

Ecosystem & Wildlife

Pollinators Wind

Fall Color No

Evergreen No

Native Range

USA: Arizona, Colorado, Nevada, New Mexico, Oklahoma, Texas, Utah
MEX: Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest

Regional Native Status: L48 (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.