Thurber's Needlegrass

Achnatherum thurberianum (Piper) Barkworth - Grass family

Size

Mature Height: Up to around 24 inches

Plant Type: Graminoid

Root Depth: 10 inches

Growth Form: Bunch

Growth Rate: Moderate

Features

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Mid Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: High

Flood Tolerance: None

Fire Tolerance: High

Salt Tolerance: Low

Ecosystem Interactions

Pollinators: Larval Host (Butterfly); Wind

Larval Species depending on Thurber's Needlegrass: Hesperia comma

Native Range

USA: California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming

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.