Species · warm-season grass

Sand bluestem

Andropogon hallii

Sand bluestem (Andropogon hallii) is big bluestem's sand-country relative: rhizomatous, blue-waxy, and built for deep sandy soils. In the Nebraska Sandhills and sandy plains from Kansas to the Dakotas, it is the primary tall grass for stabilizing blowouts and providing nesting cover.

Category
warm-season grass
Mature height
4–7 ft
Bloom window
Seedheads August–September
Moisture
Dry sandy soils
Seeding rate
2–4 PLS lb/ac in a mix
Seeds per lb
~113,000
Native range
Sandhills and sandy plains — Nebraska, Kansas, Colorado, Oklahoma, the Dakotas

Why landowners plant sand bluestem

  • Rhizomes bind loose sand and heal blowouts other grasses cannot hold.
  • Provides tall nesting and winter cover on droughty ground.
  • High forage value where CRP acres are later grazed or hayed under contract.
  • Cornerstone of sandy-site CP2 and CP25 seedings in the central Plains.

Site fit

Deep sands and sandy loams. On silt loam and clay it is outcompeted by big bluestem — use big bluestem there instead. Ideal for sandhill CRP acres, sandy field corners, and stabilization work.

Establishment

Chaffy seed — plant with a native drill capable of handling fluffy seed, 1/4 to 1/2 inch deep (slightly deeper than most natives, since sand dries fast). Late-spring seeding into warm sand works well. Rhizome spread starts in year two.

Management

Burn on a 3–5 year rotation. Highly palatable, so defer grazing until stands are fully established in year three and rotate afterward to protect crowns.

CRP practice fit

CP2

Primary tall grass in sandy-site native grass plantings.

CP25

Tall-grass component of Sandhills and sandy-plains mixes.

CP38

Used in SAFE plantings targeting sandy-soil wildlife habitat.

Featured mixes with sand bluestem

Pairs well with

Little bluestem · Prairie sandreed · Sand lovegrass · Switchgrass

Frequently asked questions

Sand bluestem vs big bluestem — which should I plant?

On deep sand, plant sand bluestem: its rhizomes hold loose soil and it handles drought better. On loam and silt loam, big bluestem yields a denser, more productive stand.

How deep should sand bluestem be planted?

1/4 to 1/2 inch. Sand dries out quickly, so slightly deeper placement than typical native seed improves emergence.

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