Agrostis gigantea

Agrostis gigantea

Redtop

Previous scientific name(s): Agrostis alba, Agrostis gigantea var. dispar, Agrostis nigra, Agrostis stolonifera ssp. gigantea, Agrostis stolonife

Formerly known as Agrostis alba. Cool season, rhizomatous, open perennial sod-former with a vigorous fibrous root system. Adapted to moist or moderately wet sites. Tolerates acidic and nutritionally poor soils as well as periodic flooding. Palatable and nutritious to livestock and wildlife. Used as pasture hay and turfgrass.

Varieties: 
Streaker

Fine-leaved, cold-hardy variety. Primarily used for hay and pasture in mountain meadows. Establishes easily from seed. (Released 1982, source of ecotype: Illinois)

Species Attributes

Height: 
25 
in.
Season: 
Cool
Life Form: 
Sodformer
Native or Introduced: 
Introduced
Precipitation: 
30 
in. - Wetland
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Marginal
Moderately Coarse: 
Marginal
Medium: 
Best
Moderately Fine: 
Best
Fine: 
Best

Soil pH

Acidic: 
Best
Neutral: 
Best
Basic: 
Not Adapted
Seeding Rate: 
PLS lbs/Acre
Pure Seed per Bushel: 
28.70 lbs.
Seeds per Pound: 
4,900,000
Planting Season: 
Spring
Fall
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes