Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Agrostis idahoensis is a species of grass known by the common name Idaho bent grass. It is native to western North America from Alaska to California to Colorado, where it grows in several habitat types. It is a perennial grass growing in short tufts up to 30 centimeters tall. The leaves are thready and a few centimeters long. The flower cluster is an open, thin array of wispy branches bearing spikelets each a few millimeters long.

Plant type

Grass

Size

1 ft Tall

Form

Upright

Growth rate

Moderate

Calscape icon
Color

Yellow

Flowering season

Spring

Sun

Full Sun, Partial Shade

Soil description

Prefers sandy or loamy soils. Does not grow well in clay soils.

Site type

Open meadows

Plant communities

Lodgepole Forest, Red Fir Forest, Subalpine Forest, Yellow Pine Forest, Wetland-Riparian

Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 4 likely

Confirmed Likely

Common Roadside-Skipper

Amblyscirtes vialis

Common Ringlet

Coenonympha tullia

Armyworm Moth

Mythimna unipuncta

Sandhill Skipper

Polites sabuleti