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Ozark Dropseed

Sporobolus vaginiflorus var. ozarkanus

Found in limestone glades, diabase glades. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

31
Good

Native to Alabama. How scores work Is it native here?

Profile 88%

Height
Up to about 2 feet
Light
Full sun
Soil moisture
Dry
Will it fit your yard?

At a glance

Life cycle
Annual
Bloom
August to October

Not yet recorded · Spread · Leaves

Recorded in 3 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Glades, barrens and outcrops on limestone

Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County
Limestone cedar glade. Shown: Cedar Glade Number 5, Chickamauga and Chattanooga National Military Park, Catoosa County, Georgia, a neighboring state.Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 84 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Sporobolus

  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Spodoptera frugiperdaFall Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Sporobolus

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
10BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Sporobolus

  • Agelaius phoeniceusRed-winged Blackbird
  • Ammospiza leconteiiLeConte's Sparrow
  • Calcarius ornatusChestnut-collared Longspur
  • Calcarius pictusSmith's Longspur
  • Catharus fuscescensVeery
  • Euphagus cyanocephalusBrewer's Blackbird
  • Meleagris gallopavoWild Turkey
  • Molothrus aterBrown-headed Cowbird
  • Plectrophenax nivalisSnow Bunting
  • Pooecetes gramineusVesper Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Poaceae
Flower color
Green, purple or brown

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Sporobolus vaginiflorus var. ozarkanus

Conservation status

Alabama rankSNR
Global rankG5T5? [G5?]
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources