Andropogon gerardii

Andropogon gerardii

Big bluestem

Previous scientific name(s): Andropogon chrysocomus, Andropogon furcatus, Andropogon gerardii var. chrysocomus, Andropogon provincialis

Warm season, tall, rhizomatous bunchy sodformer occurs on a wide range of sites, but thrives on well-drained soils. Moderately acid and saline tolerant and can withstand periodic flooding and high water tables. Primary species of tallgrass prairie. Excellent palatability and highly productive.

Varieties: 
Pawnee

A tall variety producing long, dark green leaves. Superior forage yield compared to other strains. (Released 1963, source of ecotype: Pawnee county, NE)

Roundtree

High yielding, late maturing, resists lodging and rust. (Released 1983, source of ecotype: Moorhead, IA)

Bison

A northern variety that is earlier to flower than any other cultivar. Good leafiness, high plant vigor, high seed yields and good winter hardiness. Tends to be shorter than other varieties. (Released 1989, source of ecotype: Oliver county, ND)

Variety Release Notes: 
Champ

Leafy, highly productive, with light green to glaucous gray foliage. Plants perform well on both sandy and fine textured soils. Early maturing. (Released 1963, source of ecotype: Nebraska and Iowa)

Kaw

High yielding, medium-late in maturing. A strong seed producer with some resistance to rust. (Released 1950, source of ecotype: Flinthills, KS)

Variety Release Notes: 
Bonilla

Species Attributes

Height: 
25 
in. or taller
Season: 
Warm
Life Form: 
Bunchgrass
Sodformer
Native or Introduced: 
Native
Precipitation: 
12 
in.
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
ft.

Soil Texture

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

Soil pH

Acidic: 
Marginal
Neutral: 
Best
Basic: 
Average
Seeding Rate: 
- 11 
PLS lbs/Acre
Pure Seed per Bushel: 
15.00 lbs.
Seeds per Pound: 
130,000
Planting Season: 
Summer
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes