Seed collected from MPF’s Stilwell Prairie. Photo: Scott Lenharth

Big Bluestem (Andropogon gerardii)

Distinguishing Characteristics

Leaves are up to 2 feet long and less than 1/2 inch wide, hairy at the base, stem, and
leaves. There is a small, scale-like collar (ligule) with a fringed margin where the leaf blade joins the stem.

Height

5 to 9 feet

Blooms

June to September

Description

Flower heads resemble upside down turkey foot. Flower heads open red and turn darker with age.

Comments

Found throughout tallgrass prairie region in glades, prairies, and savannas. Used as a warm-season forage for cattle and provides good wildlife cover. Forms large colonies that can out compete other native grasses and wildflowers.

small tan seeds next to ruler showing size.

Seeds (scale is in 1/16 inch increments)

small green seedling

Seedling

Sall green plant with opp leaves

Juvenile

Sall green plant with opp leaves

Distinguishing Characteristics

Sall green plant with opp leaves

Mature

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