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Green Bristlegrass

Setaria viridis

-15
Harmful

Not native to Arkansas. How scores work Is it native here?

Profile 59%

Height
2–6 feet
Spread
1–2 feet
Light
Full sun, Partial shade
Soil moisture
Somewhat dry to moist

Do not plant. Listed invasive in Arkansas.

At a glance

Life cycle
Annual

Not yet recorded · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 26 Arkansas counties.

Ecological relationships

Who uses this plant?

What these records mean

10CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Setaria

  • Amblyscirtes nysaNysa Roadside-Skipper
  • 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
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—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
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

Growing and identification

Plant details

Family
Poaceae

What its natural habitat tells you

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

Growing sources and scope
Also known as

Green Foxtail

Conservation status

Arkansas rankSNA
Global rankGNR
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources