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Round-Seed Rosette Grass

Dichanthelium polyanthes

Last reviewed: August 2026

Round-Seed Rosette Grass (Dichanthelium polyanthes)
Photo: Doug Goldman. USDA-NRCS-NPDT United States, NC, Guilford Co., Greensboro. / Wikimedia Commons (Public domain)

Toxicity unknown

Round-Seed Rosette Grass (Dichanthelium polyanthes) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

medium

Size

12"–36" H × 6"–18" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, CT, DE and 23 more states

Pollinators

bees

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

East Central Texas PlainsSouth Central PlainsEastern Temperate ForestsOzark HighlandsCentral Irregular PlainsPiedmontEastern Corn Belt PlainsNortheastern Coastal ZoneMiddle Atlantic Coastal PlainNorthern PiedmontSoutheastern PlainsBlue RidgeRidge and ValleyCentral AppalachiansWestern Allegheny PlateauInterior PlateauInterior River Valleys and HillsMississippi Alluvial PlainMississippi Valley Loess PlainsSouthern Coastal PlainAtlantic Coastal Pine Barrens

Dichanthelium polyanthes is a native bunch grass that forms attractive clumps in partial sun locations. It produces delicate seed heads from summer through fall and tolerates average moisture conditions well.

In an HOA neighborhood

Round-Seed Rosette Grass is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

  • May appear too informal for conservative HOAs
  • Seed heads could be perceived as untidy by some

Wildlife value

This grass attracts bees during its blooming period and provides seed for birds in late summer and fall.

Common questions

How much sun does Round-Seed Rosette Grass need?
Round-Seed Rosette Grass grows best in part sun conditions.
When does Round-Seed Rosette Grass bloom?
Round-Seed Rosette Grass blooms in June, July, August, and September.
Where is Round-Seed Rosette Grass native?
Round-Seed Rosette Grass (Dichanthelium polyanthes) is native to AL, AR, CT, DE and 23 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Round-Seed Rosette Grass attract?
Round-Seed Rosette Grass draws bees.
Is Round-Seed Rosette Grass HOA-friendly?
Round-Seed Rosette Grass is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Round-Seed Rosette Grass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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