Achnatherum nelsonii ssp. dorei
Columbia needlegrass, Dore's needlegrass
USDA Symbol: ACNED
USDA Native Status:
The culms of this cool-season, perennial bunchgrass rise 1-3 ft., slightly taller than the leaves. The seedhead is narrow, dense and purplish. The spikelets bear a distinctive awn extending far beyond the grain.
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Plant CharacteristicsDuration: Perennial
Size Class: 1-3 ft.
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul
DistributionUSA: AZ , CA , CO , ID , MT , OR , TX , WA , WY
Native Distribution: Black Hills to the Yukon, s. to w. TX & CA
Native Habitat: Dry plains, meadows & open woods at medium to high elevations
Growing ConditionsWater Use: Low
Light Requirement: Sun
CaCO3 Tolerance: Medium
Soil Description: Well-drained soils.
Conditions Comments: Columbia needlegrass is drought tolerant and useful for revegetating rangelands at higher elevations.
PropagationDescription: Sow seed.
Seed Collection: Not Available
Seed Treatment: No treatment necessary.
Commercially Avail: yes
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Additional resourcesUSDA: Find Achnatherum nelsonii ssp. dorei in USDA Plants
FNA: Find Achnatherum nelsonii ssp. dorei in the Flora of North America (if available)
Google: Search Google for Achnatherum nelsonii ssp. dorei
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff