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Pinewoods Milkweed

Asclepias humistrata

In the Carolinas and Georgia, found in longleaf pine sandhills and Florida scrub, open sandy areas, coastal strand. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

67
Strong

Native to Louisiana. How scores work Is it native here?

Profile 88%

Height
1–3 feet
Spread
2–3 feet
Light
Full sun
Soil moisture
Good drainage

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?

At a glance

Life cycle
Perennial
Bloom
Spring and summer

Not yet recorded · Leaves

Recorded in 3 Louisiana parishes.

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 67 animals.

All wildlife of Louisiana

Ecological relationships

Who uses this plant?

What these records mean

14CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Asclepias

  • Danaus plexippusMonarch
  • Agathodes monstralisSky-Pointing Moth
  • Cycnia collarisUnexpected Cycnia
  • Cycnia teneraDelicate Cycnia, Dogbane Tiger Moth
  • Danaus gilippusQueen
  • Euchaetes egleMilkweed Tussock Moth or Milkweed Tiger Moth
  • Hyalophora cecropiaCecropia Silkmoth, Cecropia Moth
  • Papaipema nebrisStalk Borer
  • Platynota flavedanaBlack-Shaded Platynota
  • Pygarctia spragueiSprague's Pygarctia Moth
Show all 14
  • Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
  • Spodoptera frugiperdaFall Armyworm Moth
  • Strymon melinusGray Hairstreak
  • Pygarctia eglenensis
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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
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

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Apocynaceae
Hardiness
Zones 8a–9b
Soil pH
Acidic to neutral
Flower color
Pink, purple or white

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

Growing sources and scope

Conservation status

Louisiana rankSH
Global rankG4G5
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources