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Sweet Pea

Lathyrus odoratus

Found in cultivated, and occasionally persisting. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

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Not native

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

Profile 59%

Height
3–8 feet
Spread
2–3 feet
Light
Full sun
Soil moisture
Usually moist

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 3 Alabama counties.

Ecological relationships

Who uses this plant?

What these records mean

17CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Lathyrus

  • Apantesis phylliraPhyllira Tiger Moth
  • Cecropterus pyladesNorthern Cloudywing
  • Chloridea virescensTobacco Budworm Moth
  • Chrysodeixis includensSoybean Looper Moth
  • Colias eurythemeOrange Sulphur, Alfalfa Butterfly
  • Colias philodiceClouded Sulphur, Clover Butterfly
  • Cupido comyntasEastern Tailed-Blue
  • Elasmopalpus lignosellaLesser Cornstalk Borer
  • Epargyreus clarusSilver-Spotted Skipper
  • Gesta juvenalisJuvenal's Duskywing
Show all 17
  • Glaucopsyche lygdamusSilvery Blue
  • Helicoverpa zeaCorn Earworm Moth
  • Heliothis phloxiphagaSpotted Straw Sun Moth, Darker Spotted Straw Moth
  • Spodoptera albulaWhite-Spotted Armyworm, Gray-Streaked Armyworm
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Trichoplusia niNi Moth, Cabbage Looper Moth
  • Urbanus proteusLong-Tailed Skipper, Bean Leaf Roller
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
1Specialist beesPollen specialists

Pollen specialists · Lathyrus

  • Megachile melanophaea
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
2BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Agelaius phoeniceusRed-winged Blackbird
  • Callipepla californicaCalifornia Quail
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
Fabaceae
Hardiness
Zones 2a–11b
Flower color
Yellow, orange, pink, red or white

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

Growing sources and scope

Conservation status

Alabama rankNot available
Global rankNot available
AL statusNot verified
Federal statusNot verified

Conservation source

Native alternatives

Find natives for your garden

Sources