Asian Crabgrass
Digitaria bicornis
In the Carolinas and Georgia, found in sandy fields, lawns, roadsides, disturbed places. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native status: sources disagree, under review. How scores work Is it native here?
Profile 76%
- Height
- 4–8 inches
- Spread
- 3 inches–2.5 feet
- Light
- Full sun
- Soil moisture
- Dry to wet
Space about 1.5 ft apart from its recorded spread, about 44 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Annual or perennial
- Bloom
- January to December
Not yet recorded · Leaves
Recorded in 9 Louisiana parishes.
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.
Who uses this plant?
25CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Digitaria
- Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
- Anicla infectaGreen Cutworm Moth
- Atalopedes huronSachem
- Dargida rubripennisThe Pink-Streak
- Elasmopalpus lignosellaLesser Cornstalk Borer
- Fissicrambus mutabilisStriped Webworm, Striped Sodworm, Changeable Grass-Veneer
- Hedone vibexWhirlabout
- Helicoverpa zeaCorn Earworm Moth
- Hesperia attalusDotted Skipper
- Hylephila phyleusFiery Skipper
Show all 25
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
- Leucania subpunctataWhite-Dotted Wainscot, Forage Armyworm
- Lon zabulonZabulon Skipper
- Maliattha synochitisBlack-Dotted Lithacodia, Black-Dotted Glyph, Brass-Dotted Grass Moth
- Marimatha nigrofimbriaBlack-Bordered Lemon
- Marimatha tripunctaThree-Spotted Lemon
- Mocis latipesSmall Mocis, Striped Grass Looper
- Mocis texanaTexas Mocis
- Mythimna unipunctaArmyworm Moth, White Speck
- Polites othoSouthern Broken-Dash, Broken-Dash Skipper
- Polites themistoclesTawny-Edged Skipper
- Protodeltote muscosulaLarge Mossy Lithacodia, Large Mossy Glyph, Large Mossy Grass Moth
- Redectis vitreaWhite-Spotted Redactis
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
—BeesSoutheastern regional records
—Specialist beesPollen specialists
21BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Digitaria
- Agelaius phoeniceusRed-winged Blackbird
- Anthus rubescensAmerican Pipit
- Calcarius lapponicusLapland Longspur
- Calcarius pictusSmith's Longspur
- Cardinalis cardinalisNorthern Cardinal
- Colinus virginianusNorthern Bobwhite
- Columba liviaRock Pigeon
- Meleagris gallopavoWild Turkey
- Melospiza melodiaSong Sparrow
- Melozone crissalisCalifornia Towhee
Show all 21
- Molothrus aterBrown-headed Cowbird
- Peucaea aestivalisBachman's Sparrow
- Plectrophenax nivalisSnow Bunting
- Porzana carolinaSora
- Quiscalus quisculaCommon Grackle
- Spizella passerinaChipping Sparrow
- Spizella pusillaField Sparrow
- Sturnus vulgarisEuropean Starling
- Tympanuchus pallidicinctusLesser Prairie-Chicken
- Vireo belliiBell's Vireo
- Vireo olivaceusRed-eyed Vireo
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
Plant details
- Family
- Poaceae
- Flower color
- Pink
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “January to December” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Pink” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Height · “4–8 inches” · NC Extension Plant Toolbox
- Life cycle · “Annual or perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- Soil · “Dry; Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Spread · “3 inches–2.5 feet” · NC Extension Plant Toolbox
Conservation status
| Louisiana rank | SNA |
|---|---|
| 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
- NatureServe Explorer
- USDA PLANTS
- 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