Common Flax
Linum usitatissimum
Found in roadsides, other disturbed places, not long persisting after agricultural use. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Virginia. How scores work Is it native here?
Profile 82%
- Height
- 2 feet–3 feet 4 inches
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
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At a glance
- Life cycle
- Annual
- Leaves
- Semi-evergreen
- Bloom
- April to September
Not yet recorded · Spread
Recorded in 14 Virginia counties.
Habitats
Roadsides, fields and disturbed ground.
Each habitat page lists the plants and wildlife also found there. All habitats
Who uses this plant?
16CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Linum
- Anarta trifoliiThe Nutmeg, Clover Cutworm
- Anticarsia gemmatalisVelvetbean Caterpillar Moth
- Chloridea virescensTobacco Budworm Moth
- Chrysodeixis includensSoybean Looper Moth
- Elasmopalpus lignosellaLesser Cornstalk Borer
- Euptoieta claudiaVariegated Fritillary, (?)Gulf Fritillary
- Euxoa tessellataTessellate Dart, Striped Cutworm
- Feltia jaculiferaDingy Cutworm
- Feltia subgothicaSubgothic Dart
- Helicoverpa zeaCorn Earworm Moth
Show all 16
- Mythimna unipunctaArmyworm Moth, White Speck
- Paleacrita vernataSpring Cankerworm Moth
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
- Xestia c-nigrumSpotted Cut-Worm, Setaceous Hebrew Character, Lesser Black-letter Dart
- Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
—BeesSoutheastern regional records
—Specialist 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
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
- Linaceae
- Hardiness
- Zones 4a–8b
- Soil pH
- Acidic to alkaline
- Flower color
- Blue
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Blue” · NC Extension Plant Toolbox
- Hardiness · “Zones 4a–8b” · NC Extension Plant Toolbox
- Height · “2 feet–3 feet 4 inches” · Minnesota Wildflowers
- Leaves · “Semi-evergreen” · NC Extension Plant Toolbox
- Life cycle · “Annual” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- primary_flower_color · “blue” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
Conservation status
| Virginia rank | SNA |
|---|---|
| Global rank | GNR |
| VA status | Not verified |
| Federal status | Not verified |
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- 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