Nassella viridula

Nassella viridula

Green needlegrass

Previous scientific name(s): Stipa viridula

Formerly known as Stipa viridula. Cool season, drought tolerant, long-lived, perennial bunchgrass with an extensive fibrous as well as deep root system. Performs well on a wide variety of sites, thriving on heavier soils but performing well on coarser sites. Moderately palatable to livestock and wildlife year-round.

Varieties: 
Lodorm

Selected primarily for low seed dormancy characteristics. Comparable or superior to other strains in forage and seed yields. (Released 1946, source of ecotype: Bismark, ND)

Cucharas

Collected and intended for use in the Great Plains; low seed dormancy. Better germination than Lodorm. (Released 2003, source of ecotype: Huerfano County, CO)

Species Attributes

Height: 
13 
- 24 
in. or taller
Season: 
Cool
Life Form: 
Bunchgrass
Native or Introduced: 
Native
Precipitation: 
12 
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: 
Not Adapted
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
- 10 
PLS lbs/Acre
Pure Seed per Bushel: 
33.00 lbs.
Seeds per Pound: 
181,000
Planting Season: 
Fall
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes