Pascopyrum smithii

Pascopyrum smithii

Western wheatgrass

Previous scientific name(s): Agropyron molle, Agropyron smithii, Agropyron smithii var. molle, Agropyron smithii var. palmeri, Elymus smithii

Formerly known as Agropyron smithii. Cool season, saline-tolerant, moderately drought tolerant, strongly rhizomatous sod-former. May be replaced by Elymus lanceolatus ssp.  lanceolatus  on coarser soils. Moderately palatable to livestock and wildlife.

Varieties: 
Rosana

Strongly rhizomatous, with excellent seedling vigor. Equal in forage yields to other varieties. Low post-harvest seed dormancy aids in ease of establishment. (Released 1972, source of ecotype: Forsyth, MT)

Variety Release Notes: 
Arriba

Aggressive, with rapid seedling establishment. Produces dense medium height forage. Superior seed yielder. (Released 1973, source of ecotype: Flagler, CO)

Variety Release Notes: 
Barton

A strongly rhizomatous plant producing superior forage yields. Excellent disease resistance. Produces below average seed yields. (Released 1970, source of ecotype: Barton County, KS)

Variety Release Notes: 
Rodan

Moderately rhizomatous, thin-leaved plant producing superior forage yields. Well suited for pasture or revegetation. Good disease resistance. Seed yield is comparable to Rosana except with a short awn. (Released 1983, source of ecotype: Morton County, ND)

Recovery

Species Attributes

Height: 
13 
- 24 
in.
Season: 
Cool
Life Form: 
Sodformer
Native or Introduced: 
Native
Precipitation: 
10 
in.
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Not Adapted
Moderately Coarse: 
Marginal
Medium: 
Average
Moderately Fine: 
Best
Fine: 
Best

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Best
Seeding Rate: 
- 16 
PLS lbs/Acre
Pure Seed per Bushel: 
17.80 lbs.
Seeds per Pound: 
110,000
Planting Season: 
Spring
Fall
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes