Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Agrostis exarata


Spike bentgrass, Spiked bent, Spike red top


Poaceae (Grass Family)



Agrostis exarata (Spike bentgrass)
A tufted grass from 1-4 ft. tall. Culms may be slender to relatively stout and are topped with a seedhead that is usually dense and spikelike but sometimes interrupted and somewhat open. The branches are always strongly erect and green to purplish.


No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Leaf: Green
Fruit:
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May

Distribution

USA: AK , AZ , CA , CO , ID , KY , MT , NE , NV , NM , OK , OR , SD , TX , UT , VT , WA , WY
Canada: AB , BC , SK
Native Distribution: AK to CA, e. to Alt., TX & Mex.; also locally to the Dakotas & NE
Native Habitat: Moist meadows; canyons

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low
Soil Description: Various moist soils.
Conditions Comments: Not Available

Benefit

Use Food: Seeds harvested for food by indigenous peoples.
Attracts: Butterflies
Larval Host: The Grass Family is an essential larval food for most branded skippers and most of the satyrs.

Last Update: 2008-10-20