Western Wheatgrass (Agropyron smithii)

Origin: Native to North America
Use: Perennial, cool season, native grass that provides fair grazing for wildlife and livestock.
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Plant Description:
General  Characteristics of Western Wheatgrass
Life Span  Perennial
Growth Form  Tall, semi-erect, rhizomatous plant
Seeding Rate 
40" Rows: 

2.4 pounds pure live seed per acre
7.0 pounds pure live seed per acre
Planting Date  September-October
Planting Depth 0.25 inch
pH requirement 4.5 to 9.0
Rainfall requirement 8 to 36 inches
Soil texture 

Cold Tolerance: High
General  Provides fair grazing for wildlife and livestock.
ID Features:
Habit: 		Glaucous, strongly rhizomatous perennial.
Culms: 		30-100 cm. tall, erect.
Blades: 	5-30 cm. long; 1-5 mm. wide; rigid; bluish green; glaucous; 
                strongly grooved above; smooth beneath or slightly scabrous; 
                becoming involute; auriculate.
Sheaths:	Shorter than the internodes, glabrous, glaucous.
Ligule: 	0.2-0.8 mm long; membranous ring, somewhat ciliate.
Inflorescence: 	Terminal, erect, bilateral; 5-18 cm. long.
Spikelets: 	8-16 mm long; 4-10-flowered, usually overlapping.
Glumes: 	5-13 mm. long, acuminate one half or two thirds as long as spikelet, 
                faintly nerved, equal, opposite or placed edge to edge on the outer 
                side of the spikelet, usually subcoriaceous and rigid, scabrous on 
                the keel; first slightly shorter than the second.
Lemmas: 	8-15 mm. long, lanceolate, acute or acuminate, seldom awn-pointed, 
                smooth or nearly so; broader, rigid, rounded on the back, or slightly 
                keeled above, faintly 5-7-nerved.
Palea: 		Shorter than the lemma, scabrous-pubescent on the 2 keels.
Caryopsis:	Enclosed in the lemma, adherent to the palea.
Synonyms:	Pascopyrum smithii (Rydb.) A. Love
		Agropyron molle (Scribn. & J.G. Sm.) Rydb.
		Agropyron smithii Rydb. var. molle (Scribn. & J.G. Sm.) M.E. Jones
		Agropyron smithii Rydb. var. palmeri (Scribn. & J.G. Sm.) Heller
Special Notes:
Western Wheatgrass (Agropyron smithii) Information #1
Western Wheatgrass (Agropyron smithii) Information #2
Western Wheatgrass (Agropyron smithii) Information #3
Regional Adaptation
Coast Saline Prairie
Coast Prairie
East Texas Timberlands
Claypan Area
Blackland Prairie
East Cross Timbers
West Cross Timbers
Grand Prairie
North Central Prairies
Central Basin
Edwards Plateau
Northern Rio Grande Plain
Western Rio Grande Plain
Central Rio Grande Plain
Lower Rio Grande Valley
Rolling Plains
High Plains