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Splitbeard Bluestem

Andropogon ternarius

Last reviewed: July 2026

Andropogon ternarius (Splitbeard Bluestem) is a native Texas grass that blooms from June through November with distinctive silvery seed heads. This drought-tolerant prairie grass provides important habitat for native bees and other pollinators.

Splitbeard Bluestem (Andropogon ternarius)
Photo: Robert H. Mohlenbrock. USDA NRCS. / Wikimedia Commons (Public domain)

The USDA PLANTS Database (opens in new tab) does not flag Splitbeard Bluestem as toxic to livestock.

Light

full sun

Water

low

Size

18"–48" H × 6"–12" W

Bloom

Jun, Jul, Aug, Sep, Oct, Nov

Native to

AL, AR, CT, DE and 23 more states

Pollinators

bees

Splitbeard Bluestem is a clumping native grass that forms neat, upright bunches with fine-textured foliage. It produces attractive seed heads from summer through late fall and turns golden or bronze in winter before going dormant.

Growing Splitbeard Bluestem

Grow Splitbeard Bluestem in full sun and low water. Mature plants reach 18 to 48 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Splitbeard Bluestem is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, mid zone.

  • Cut back in late winter

Wildlife value

This grass provides nectar for bees during its long blooming period and offers seeds for birds. The dense clumps also provide nesting habitat and shelter for small wildlife.

Common questions

When does Splitbeard Bluestem bloom?
Andropogon ternarius blooms from June through November, producing feathery seed heads that give the plant its common name.
What pollinators visit Splitbeard Bluestem?
Native bees are the primary pollinators of Andropogon ternarius, along with other small insects that visit the grass flowers.
Where is Splitbeard Bluestem native?
Andropogon ternarius is native to Texas and other southeastern states, where it grows naturally in prairies, open woodlands, and sandy soils.
How much water does Splitbeard Bluestem need?
This drought-tolerant native grass requires minimal water once established and thrives in low to moderate moisture conditions typical of its prairie habitat.
Is Splitbeard Bluestem toxic to livestock?
The USDA PLANTS Database does not flag Splitbeard Bluestem as toxic to livestock.
Is Splitbeard Bluestem HOA-friendly?
Splitbeard Bluestem is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Splitbeard Bluestem? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.