Achnatherum lettermanii (Letterman needlegrass)
Formerly Stipa lettermanii. Cool season, perennial bunchgrass that occurs across a wide range of elevations from 5,000-11,700 ft. One of the most cold hardy of the needlegrasses. Excellent for revegetation of upper elevation sites. Remains green throughout most of the growing season. Has been used in mine reclamation.
DISTRIBUTION / ADAPTATION
INFORMATION & ATTRIBUTES
Family: Poaceae
Duration: Perennial
Growth Habit: Graminoid
Native Status: Native
Season: Cool season
Growth Form: Bunchgrass
Mature Height: 24 in.
Annual Precipitation: 6 in.
Drought Tolerance: High
Shade Tolerance: Intolerant
Elevation:
Fire Resistance: No
Fire Tolerance:
SOIL ADAPTATION
Coarse Texture: No
Medium Texture: Yes
Fine Texture: No
Salinity Tolerance: None
CaCO3 Tolerance: Medium
pH Range: 6-7.6
SEEDING NOTES
Seeds per Pound: 225,000
Seeding Rate: 8-12 PLS lbs/acre
Season: Spring/Fall
Days to Germination:
VARIETIES & LOCAL ACCESSIONS
None