Purple Milkweed
Asclepias purpurascens
Found in swamps; floodplain and bottomland forests; prairies and grasslands; meadows; forests and woodlands. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to West Virginia. How scores work Is it native here?
Profile 82%
- Height
- 2–3 feet
- Spread
- 1–3 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Usually moist
Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Fruiting season
- July to October
Not yet recorded · Leaves · Bloom
Bloom: NC species account not read yet.
Leaves: no source found yet.
Recorded in 2 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forested wetlands with standing water much of the year, such as cypress and gum swamps.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Open, grassy or flowery ground that is not wet, such as mountain meadows; wet meadows are separate.
Forest or woodland where the source does not say how moist or dry.
Who uses this plant?
13CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Asclepias
- Danaus plexippusMonarch
- Cycnia collarisUnexpected Cycnia
- Cycnia teneraDelicate Cycnia, Dogbane Tiger Moth
- Euchaetes egleMilkweed Tussock Moth or Milkweed Tiger Moth
- Hyalophora cecropiaCecropia Silkmoth, Cecropia Moth
- Melanchra adjunctaHitched Arches
- Papaipema nebrisStalk Borer
- Phragmatobia lineataLined Ruby Tiger Moth
- Platynota flavedanaBlack-Shaded Platynota
- Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
Show all 13
- Spodoptera frugiperdaFall Armyworm Moth
- Strymon melinusGray Hairstreak
- Trichordestra legitimaStriped Garden Caterpillar Moth
59BeesSoutheastern regional records
Southeastern regional records · Asclepias
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
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Asclepias
- 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
Flies 3
- Physocephala tibialis
- Spallanzania hesperidarum
- Trichophora ruficauda
Flower visits · Carlinville, Illinois, USA
Adult butterflies / moths 10
- Anosia plexippus
- Argynnis cybele
- Euphyes verna
- Limochores taumas
- Pamphila hobomok
- Speyeria idalia
- Thecla calanus
- Thecla sylvinus
- Vanessa atalanta
- Vanessa huntera
Flower visits · Carlinville, Illinois, USA
Other wasps 1
- Priononyx atrata
Flower visits · Carlinville, Illinois, USA
No records yet · Ants · Beetles · Other insects
Plant details
- Family
- Apocynaceae
- Hardiness
- Zones 3a–8b
- Flower color
- Pink or purple
- Fruit begins
- July
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Pink or purple” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; NC Extension Plant Toolbox differs) · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; NC Extension Plant Toolbox differs) · Carolinas and Georgia
- Hardiness · “Zones 3a–8b” · NC Extension Plant Toolbox (ranked first; Missouri Botanical Garden Plant Finder differs)
- Height · “2–3 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition, Lady Bird Johnson Wildflower Center, Missouri Botanical Garden Plant Finder differ)
- Life cycle · “Perennial” · 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 (ranked first; Tennessee Smart Yards, Lady Bird Johnson Wildflower Center, Missouri Botanical Garden Plant Finder differ)
- Soil · “Moist” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Lady Bird Johnson Wildflower Center, Missouri Botanical Garden Plant Finder differ)
- Spread · “1–3 feet” · NC Extension Plant Toolbox
Conservation status
| West Virginia rank | S4 |
|---|---|
| Global rank | G4G5 |
| WV 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
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- West Virginia 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