Yellow Bristlegrass
Setaria glauca
Found in disturbed areas, lawns, fields, less commonly in natural habitats. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
-30
Harmful
Not native to Mississippi. How scores work Is it native here?
Profile 82%
- Height
- About 3 feet
- Light
- Full sun
- Soil moisture
- Somewhat dry to moist
Do not plant. Listed invasive in Mississippi.
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At a glance
- Life cycle
- Annual
- Bloom
- June to October
- Fruiting season
- Fall to winter
JFMAMJJASOND
Not yet recorded · Spread · Leaves
Recorded in 39 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Ecological relationships
Who uses this plant?
9CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · 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
—BeesSoutheastern regional records
—Specialist beesPollen specialists
33BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Setaria
- Acanthis flammeaCommon Redpoll
- Agelaius phoeniceusRed-winged Blackbird
- Ammospiza leconteiiLeConte's Sparrow
- Anser albifronsGreater White-fronted Goose
- Anthus rubescensAmerican Pipit
- Branta canadensisCanada Goose
- Calcarius lapponicusLapland Longspur
- Calcarius ornatusChestnut-collared Longspur
- Calcarius pictusSmith's Longspur
- Callipepla californicaCalifornia Quail
Show all 33
- Colinus virginianusNorthern Bobwhite
- Columbina passerinaCommon Ground Dove
- Cyrtonyx montezumaeMontezuma Quail
- Dolichonyx oryzivorusBobolink
- Eremophila alpestrisHorned Lark
- Melospiza melodiaSong Sparrow
- Molothrus aterBrown-headed Cowbird
- Passer domesticusHouse Sparrow
- Peucaea aestivalisBachman's Sparrow
- Plectrophenax nivalisSnow Bunting
- Pooecetes gramineusVesper Sparrow
- Porzana carolinaSora
- Quiscalus quisculaCommon Grackle
- Rallus limicolaVirginia Rail
- Rhynchophanes mccowniiMcCown's Longspur
- Sialia sialisEastern Bluebird
- Spizella passerinaChipping Sparrow
- Spizella pusillaField Sparrow
- Sturnus vulgarisEuropean Starling
- Turdus migratoriusAmerican Robin
- Tympanuchus phasianellusSharp-tailed Grouse
- Tyrannus tyrannusEastern Kingbird
- Zenaida macrouraMourning Dove
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
Growing and identification
Plant details
- Family
- Poaceae
- Soil pH
- Acidic to neutral
- Flower color
- White
- Growth rate
- Rapid
- Growth habit
- Grows in clumps
- Foliage color
- Green
- Fruit begins
- Fall
- Fruit ends
- Winter
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “June to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “White” · 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 · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Winter” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Grows in clumps” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 3 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Life cycle · “Annual” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox
- Soil pH · “Acidic to neutral” · NC Extension Plant Toolbox
Also known as
Setaria glauca
Conservation status
| Mississippi rank | Not available |
|---|---|
| Global rank | GNR |
| MS status | Not verified |
| Federal status | Not verified |
Sources
- Weakley, Flora of the Southeastern United States (2025), South Central edition
- USDA PLANTS
- Mississippi 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