Leymus racemosus ssp. racemosus

Leymus racemosus ssp. racemosus

Mammoth wildrye

Previous scientific name(s): Elymus giganteus

Fomerly known as Elymus giganteus. Tall, cool season rhizomatous perennial sod-former occurring on coarse textured, well-drained sites. Poor forage value, but outstanding for erosion control on dunes and other blowout areas.

Varieties: 
Volga

A tall, creeping variety which is coarse and essentially nonpalatable to livestock. Provides a vigorous, permanent cover for sand dunes. (Released 1949, source of ecotype: Volga region, USSR)

Species Attributes

Height: 
13 
- 25 
in. or taller
Season: 
Cool
Life Form: 
Sodformer
Native or Introduced: 
Introduced
Precipitation: 
in.
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

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

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Average
Seeding Rate: 
- 15 
PLS lbs/Acre
Pure Seed per Bushel: 
16.50 lbs.
Seeds per Pound: 
100,000
Planting Season: 
Spring
Fall
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes