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Grooved Yellow Flax

Linum sulcatum

In the Carolinas and Georgia, found in prairies and grasslands; forests and woodlands; glades, barrens and outcrops on limestone; glades, barrens and outcrops on mafic or serpentine rock. FloraQuest, phone app (app page) What its natural habitat tells you

43
Good

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

Profile 88%

Height
8–24 inches
Light
Full sun
Soil moisture
Dry to somewhat dry
Will it fit your yard?

At a glance

Life cycle
Annual
Bloom
May to October

Not yet recorded · Spread · Leaves

Recorded in 3 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 4

Prairies and grasslands

Grand Prairie, Coosa Valley Prairies, Floyd County
Limestone prairie. Shown: Grand Prairie, Coosa Valley Prairies, Floyd County, Georgia, a neighboring state.Grand Prairie, Coosa Valley Prairies, Floyd County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Glades, barrens and outcrops on limestone

Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County
Limestone cedar glade. Shown: Cedar Glade Number 5, Chickamauga and Chattanooga National Military Park, Catoosa County, Georgia, a neighboring state.Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

13CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Linum

  • Anticarsia gemmatalisVelvetbean Caterpillar Moth
  • Chloridea virescensTobacco Budworm Moth
  • Chrysodeixis includensSoybean Looper Moth
  • Elasmopalpus lignosellaLesser Cornstalk Borer
  • Euptoieta claudiaVariegated Fritillary, (?)Gulf Fritillary
  • Euxoa auxiliarisArmy Cut-Worm, Army Cutworm
  • Feltia jaculiferaDingy Cutworm
  • Helicoverpa zeaCorn Earworm Moth
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Spodoptera albulaWhite-Spotted Armyworm, Gray-Streaked Armyworm
Show all 13
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Spodoptera frugiperdaFall Armyworm Moth
  • Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
3BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Linum

  • Antigone canadensisSandhill Crane
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
  • Tympanuchus phasianellusSharp-tailed Grouse
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
Linaceae
Flower color
Yellow

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

Growing sources and scope

Conservation status

Florida rankSNR
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources