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Seashore Dropseed

Sporobolus virginicus

In the Carolinas and Georgia, found in salt marshes, tidal mud flats, and low dunes in the outer Coastal Plain. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

36
Good

Native to Louisiana (estimated). How scores work Is it native here?

Profile 94%

Height
About 2 feet
Light
Full sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Bloom
Summer
Fruiting season
Summer to fall

Not yet recorded · Spread · Life cycle · Leaves

Recorded in 8 Louisiana parishes.

Natural habitats

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

1 of 3

Salt and brackish marshes

Coastal marshes flooded by salty or brackish tides.

Sounds, bays and tidal flats

Salt and brackish open water of sounds, bays and estuaries, with the mud and sand flats and seagrass beds that tides cover and uncover; the vegetated marsh is salt and brackish marshes.

Coastal dunes and beaches

Open sand of beaches, dunes and the hollows between them.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 52 animals.

All wildlife of Louisiana

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Sporobolus

  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Panoquina panoquinoidesObscure Skipper, Beach 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
Brown
Growth rate
Moderate
Growth habit
Spreads by rhizomes
Foliage color
Green
Fruit begins
Summer
Fruit ends
Fall

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

Growing sources and scope

Conservation status

Louisiana rankSNR
Global rankG5
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Growing cautions

  • Spreads by rhizomes. USDA PLANTS lists its growth form as rhizomatous. USDA PLANTS

For planning only; these do not change the score or Fit.

Sources