Marsh Bristlegrass
Setaria parviflora
In the Carolinas and Georgia, found in marshes, ditches, moist disturbed areas, pine rocklands, and dry disturbed areas over limestone. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Louisiana (estimated). How scores work Is it native here?
Profile 82%
- Height
- Up to about 4 feet
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist

At a glance
- Life cycle
- Perennial
Not yet recorded · Spread · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 61 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Open, herb-covered wetlands with fresh, non-tidal water.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 44 animals.
- Little GullHydrocoloeus minutus
- Loggerhead ShrikeLanius ludovicianus
- Long-billed CurlewNumenius americanus
- Long-billed DowitcherLimnodromus scolopaceus
- MerlinFalco columbarius
- Northern BobwhiteColinus virginianus
- Northern Rough-winged SwallowStelgidopteryx serripennis
- Palm WarblerDendroica palmarum
- Peregrine FalconFalco peregrinus
- Prairie WarblerDendroica discolor
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Ring-necked PheasantPhasianus colchicus
- Ross's GooseChen rossii
- Savannah SparrowPasserculus sandwichensis
- Scissor-tailed FlycatcherTyrannus forficatus
- Short-eared OwlAsio flammeus
- Spotted SandpiperActitis macularius
- Sprague's PipitAnthus spragueii
- Western MeadowlarkSturnella neglecta
- Wild TurkeyMeleagris gallopavo
Widespread birds also seen here (23)
Found in many habitats here, so not listed above.
- American Goldfinch
- American Kestrel
- American Robin
- Black-crowned Night-heron
- Blue Grosbeak
- Canada Goose
- Chimney Swift
- Common Nighthawk
- Cooper's Hawk
- Eastern Kingbird
- European Starling
- Great Horned Owl
- Mourning Dove
- Northern Flicker
- Northern Mockingbird
- Pine Siskin
- Purple Finch
- Red-tailed Hawk
- Red-winged Blackbird
- Sharp-shinned Hawk
- Tree Swallow
- Turkey Vulture
- Yellow-breasted Chat
Who uses this plant?
10CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Setaria
- Ancyloxypha numitorLeast Skipper
- Dargida diffusaWheat Head Armywotm Moth
- Helicoverpa zeaCorn Earworm Moth
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
- Lerema acciusClouded Skipper, Corn Leaf tier
- Lerodea eufalaEufala Skipper, Gray Skipper, Rice Leafroller
- Mythimna unipunctaArmyworm Moth, White Speck
- Papaipema nebrisStalk Borer
- Spodoptera frugiperdaFall Armyworm Moth
- Blastobasis graminea
25BirdsRecorded eating Setaria in Louisiana
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Louisiana, most records first.
- Common Ground-dove8 diet records
- SoraSeeds. 7 diet records
- Chipping SparrowSeeds. 5 diet records
- Northern Bobwhite5 diet records
- Horned LarkSeeds. 5 diet records
- Bachman's SparrowSeeds. 3 diet records
- Lapland Longspur3 diet records
- Brown-headed Cowbird2 diet records
- Red-winged Blackbird2 diet records
- American Pipit2 diet records
Show all 25
- Bobolink2 diet records
- Field SparrowSeeds. 2 diet records
- House Sparrow2 diet records
- Mourning Dove2 diet records
- Smith's Longspur2 diet records
- Vesper SparrowSeeds. 2 diet records
- American RobinSeeds. 1 diet record
- Canada GooseSeeds. 1 diet record
- Common Grackle1 diet record
- Eastern BluebirdSeeds. 1 diet record
- Eastern KingbirdSeeds. 1 diet record
- European Starling1 diet record
- Greater White-fronted GooseRoots. 1 diet record
- Song SparrowSeeds. 1 diet record
- Virginia Rail1 diet record
Direct food only. 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
Birds that eat Setaria 25
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- Common Ground-doveColumbina passerina
- SoraPorzana carolina
- Chipping SparrowSpizella passerina
- Northern BobwhiteColinus virginianus
- Horned LarkEremophila alpestris
- Bachman's SparrowAimophila aestivalis
- Lapland LongspurCalcarius lapponicus
- Brown-headed CowbirdMolothrus ater
- Red-winged BlackbirdAgelaius phoeniceus
- American PipitAnthus rubescens
- BobolinkDolichonyx oryzivorus
- Field SparrowSpizella pusilla
- House SparrowPasser domesticus
- Mourning DoveZenaida macroura
- Smith's LongspurCalcarius pictus
- Vesper SparrowPooecetes gramineus
- American RobinTurdus migratorius
- Canada GooseBranta canadensis
- Common GrackleQuiscalus quiscula
- Eastern BluebirdSialia sialis
- Eastern KingbirdTyrannus tyrannus
- European StarlingSturnus vulgaris
- Greater White-fronted GooseAnser albifrons
- Song SparrowMelospiza melodia
- Virginia RailRallus limicola
Plant details
- Family
- Poaceae
- Flower color
- Green or brown
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 4 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Bristly Foxtail; Setaria geniculata; Yellow Foxtail
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | G5 |
| LA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Louisiana occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications













































