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Big Cordgrass

Sporobolus cynosuroides

Found in brackish (mesohaline and oligohaline) and freshwater tidal marshes, especially along margins of tidal creeks. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

42
Good

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

Profile 100%

Height
About 8 feet
Light
4 or more hours of direct sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Bloom
Spring
Fruiting season
Summer to fall

Not yet recorded · Spread · Life cycle · Leaves

Recorded in 2 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

Freshwater tidal marshes

Marshes along tidal rivers where the water is fresh but rises and falls with the tide.

Streams, rivers and their banks

Flowing water and its banks, bars and rocky shoals.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

15CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Spartina

  • Aethalura intertextaFour-Barred Gray
  • Ancyloxypha numitorLeast Skipper
  • Apantesis phalerataHarnessed Moth
  • Doryodes bistrialisDouble-Lined Doryodes
  • Ectropis crepusculariaThe Small Engrailed, Saddleback Looper
  • Euxoa detersaRubbed Dart, Sandhill Cutworm
  • Leucania linitaReed Wainscot, Linen Wainscot
  • Leucanopsis longaLong-Streaked Tussock Moth
  • Mocis texanaTexas Mocis
  • Nola cereellaSorghum Cutworm, Sorghum Webworm Moth, Sorgham Webworm Moth
Show all 15
  • Panoquina panoquinSalt Marsh Skipper
  • Papaipema nebrisStalk Borer
  • Poanes aaroniAaron's Skipper
  • Chilo plejadellus
  • Photedes enervata
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Anser caerulescensSnow Goose
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
Yellow
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
  • Bloom · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Flower color · “Yellow” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth habit · “Spreads by rhizomes” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Height · “About 8 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
Also known as

Sporobolus cynosuroides

Conservation status

Alabama rankSNR
Global rankG5
AL 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