Canadian Milkvetch
Astragalus canadensis var. canadensis
In the Carolinas and Georgia, found in forests, woodlands, streambanks, rocky slopes and bluffs, prairies. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Louisiana (estimated). How scores work Is it native here?
Profile 82%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist

At a glance
- Life cycle
- Perennial
- Bloom
- June to August
- Fruiting season
- July to October
Not yet recorded · Height · Spread · Leaves
Height: NC species account not read yet.
Spread and leaves: no source found yet.
Recorded in 3 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forest or woodland where the source does not say how moist or dry.
Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Cliffs, ledges and rocky summits
Cliffs, ledges, rock outcrops, talus and rocky summits where the source does not name the rock. A named rock files the place under its own glade or outcrop type instead.
Open, grass-dominated places kept open by fire, grazing or thin soil, from tallgrass prairie to Piedmont prairies.
Who uses this plant?
14CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Astragalus
- Abaeis nicippeSleepy Orange, Sleepy Yellow, Erratic Orange
- Cecropterus bathyllusSouthern Cloudywing
- Cecropterus pyladesNorthern Cloudywing
- Colias eurythemeOrange Sulphur, Alfalfa Butterfly
- Colias philodiceClouded Sulphur, Clover Butterfly
- Cupido comyntasEastern Tailed-Blue
- Dicymolomia julianalisJulia's Dicymolomia
- Digrammia eremiataThree-Lined Angle
- Echinargus isolaReakirt's Blue, Isola Blue
- Epargyreus clarusSilver-Spotted Skipper
Show all 14
- Gesta baptisiaeWild Indigo Duskywing, Baptisia Duskywing
- Strymon melinusGray Hairstreak
- Vanessa carduiPainted Lady, Cosmopolite
- Walshia miscecolorellaSweetclover Root Borer Moth
7BeesSoutheastern regional records
Southeastern regional records · Astragalus
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 · Astragalus
- Anthidium clypeodentatum
4BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Astragalus
- Alectoris chukarChukar
- Centrocercus urophasianusGreater Sage-Grouse
- Meleagris gallopavoWild Turkey
- Ortalis vetulaPlain Chachalaca
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
- White, yellow, green or brown
- Fruit begins
- July
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “June to August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “White, yellow, green or brown” · Lady Bird Johnson Wildflower Center
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Life cycle · “Perennial” · 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 | SNR |
|---|---|
| Global rank | G5T5 |
| 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
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- 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

