States
North CarolinaTennesseeGeorgiaSouth CarolinaKentuckyAlabamaFloridaVirginia
Menu

Sour Grass

Digitaria insularis

53
Strong

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

Profile 41%

Soil moisture
Somewhat dry to moist
Will it fit your yard?

At a glance

Not yet recorded · Height · Spread · Light · Life cycle · Leaves · Bloom

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

Recorded in 18 Florida counties.

Ecological relationships

Who uses this plant?

What these records mean

27CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Digitaria

  • Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
  • Anicla infectaGreen Cutworm Moth
  • Atalopedes huronSachem
  • Cymaenes tripunctusThree-Spotted Skipper
  • 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
Show all 27
  • Hylephila phyleusFiery Skipper
  • 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
  • Trichordestra legitimaStriped Garden Caterpillar Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist 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
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

What its natural habitat tells you

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

Conservation status

Florida rankSNR
Global rankNot available
FL statusNot verified
Federal statusNot verified

Conservation source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Sources