Agrostis gigantea (Redtop)
Formerly A. 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 and hay. Varieties listed below.
DISTRIBUTION / ADAPTATION
INFORMATION & ATTRIBUTES
Family: Poaceae
Duration: Perennial, short lived
Growth Habit: Graminoid
Native Status: Introduced
Season: Cool season
Growth Form: Rhizomatous
Mature Height: 24 in.
Annual Precipitation: 28-60 in.
Drought Tolerance: Low
Shade Tolerance: Intolerant
Elevation:
Wetland Indicator Status: FACW
Fire Resistance: High
Fire Tolerance: Low
SOIL ADAPTATION
Coarse Texture: No
Medium Texture: Yes
Fine Texture: Yes
Salinity Tolerance: Low
CaCO3 Tolerance: Low
pH Range: 4.5-8.0
SEEDING NOTES
Seeds per Pound: 4,845,100
Seeding Rate: 29 PLS lbs/acre
Season: Spring/Fall
Days to Germination:
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)