Achnatherum lettermanii

Achnatherum lettermanii

Letterman needlegrass

Previous scientific name(s): Stipa lettermanii

Formerly known as Stipa lettermanii. Cool season, perennial bunchgrass similar to Achnatherum nelsonii ssp. dorei but is less drought tolerant and begins its distribution at slightly higher elevations. Excellent for revegetation of upper elevation sites.

Varieties: 

Species Attributes

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

Soil Texture

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

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
- 12 
PLS lbs/Acre
Pure Seed per Bushel: 
51.60 lbs.
Seeds per Pound: 
225,000
Planting Season: 
Spring
Fall
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes