Barrens Milkweed
Asclepias hirtella
Found in prairies (on loamy or clayey soils), sub-calcareous hardwood flatwoods. 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 88%
- Height
- 4 feet
- Spread
- 2–3 feet
- Light
- Full to part sun
- Soil moisture
- Dry to moist
Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?No photograph yet. Looking for an old drawing…
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Perennial
- Bloom
- April to October
- Fruiting season
- June to October
Not yet recorded · Leaves
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.

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
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
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Apocynaceae
- Hardiness
- Zones 4–8
- Flower color
- White
- Fruit begins
- June
- Fruit ends
- October
Growing sources and scope
- Bloom · “April to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; Prairie Moon 2026 Cultural Guide differs) · Carolinas and Georgia
- Flower color · “White” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- Fruit begins · “June” · 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
- Hardiness · “Zones 4–8” · Missouri Botanical Garden Plant Finder
- Height · “4 feet” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder, Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Life cycle · “Perennial” · Minnesota Wildflowers
- Light · “Full to part sun” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- primary_flower_color · “white” · Prairie Moon 2026 Cultural Guide
- Soil · “moderately wet to dry” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Spread · “2–3 feet” · Missouri Botanical Garden Plant Finder
Also known as
Green Milkweed; Prairie Milkweed
Conservation status
| West Virginia rank | S2 |
|---|---|
| Global rank | Not available |
| 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
- Weakley, Flora of the Southeastern United States (2025), South Central edition
- NatureServe Explorer
- 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

