Spike Bentgrass

Agrostis exarata Trin.

Grass family

Plant Type
Graminoid
Life Cycle
Perennial
Mature Height
3.0 feet
Flower Color
Yellow
Bloom Time
Late Spring

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Medium
Drought Tolerance Low
Flood Tolerance Medium

Soil

Soil Types Clay, Loam, Sand
CaCO3 Tolerance Low
Fertility Need Medium

Stress Tolerance

Fire Tolerance Medium
Salt Tolerance Low

Climate

pH Range 5.5 – 7.5
Frost-Free Days 90 days
Precipitation 6 – 30 in

Ecosystem & Wildlife

Pollinators Wind
Fall Color No
Evergreen No

Native Range

  • USA:  Alaska, Arizona, California, Colorado, Idaho, Kentucky, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, South Dakota, Texas, Utah, Vermont, Washington, Wyoming
  • CAN:  Alberta, British Columbia, Northwest Territorie, Saskatchewan, Yukon
  • MEX:  Mexico Central, Mexico Northeast, Mexico Northwest

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.