Tiny Pea
Lathyrus pusillus
In the Carolinas and Georgia, found in open areas in bottomlands, disturbed areas. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Louisiana. How scores work Is it native here?
Profile 76%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Annual
- Bloom
- March to May
- Fruiting season
- May to July
Not yet recorded · Height · Spread · Leaves
Recorded in 12 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
16CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · 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 16
- 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
3BeesSoutheastern regional records
Southeastern regional records · Lathyrus
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists
Pollen specialists · Lathyrus
- Megachile melanophaea
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
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
Plant details
- Family
- Fabaceae
- Flower color
- Blue, purple or violet
- Fruit begins
- May
- Fruit ends
- July
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “March to May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Blue, purple or violet” · Lady Bird Johnson Wildflower Center
- Fruit begins · “May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Conservation status
| Louisiana rank | S3 |
|---|---|
| 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

