Elymus trachycaulus ssp. trachycaulus (Slender wheatgrass)

Formerly Agropyron trachycaulum. Cool season, short-lived, perennial bunchgrass with short rhizomes. Adapted to a wide range of sites and is moderately drought tolerant; saline tolerant. Establishes easily and quickly on sites up to 12,000 ft. elevation. Good palatability to both livestock and wildlife. Useful where quick, native perennial cover is desired. Varieties listed below.


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Family: Poaceae

Duration: Perennial

Growth Habit: Graminoid

Native Status: Native

Season: Cool

Growth Form: Bunchgrass

Mature Height: 36 in.

Annual Precipitation: 8-25 in.

Drought Tolerance: High

Shade Tolerance: Intolerant


Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance: High


Coarse Texture: No

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance: Medium

CaCO3 Tolerance: Medium

pH Range: 5.6-9.0


Seeds per Pound: 135,000

Seeding Rate: 6-10 PLS lbs/acre

Season: Spring/Fall

Days to Germination:



Copperhead - Superior emergence, survival and biomass production on acid and heavy-metal impacted soils. Excellent for mine reclamation or other contaminated areas such as sediment ponds. (Released 2007)

FirstStrike - Good persistence and seedling vigor in response to drought during the establishment year. Taller than San Luis, shorter than Pryor. Germinates earlier than Pryor. (Released 2006)

Pryor - Consistently rates superior to other varieties in seedling vigor, salt and drought tolerance, forage and seed production and stand longevity. Tolerates periodic flooding and extended drought. Matures 2-3 weeks earlier than other types. (Released 1988)

Revenue - Good for saline soils and short rotations. Establishes easily; saline tolerant. Good forage quality and forage and seed yields. (Released 1970)