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Longleaf Milkweed

Asclepias longifolia

In the Carolinas and Georgia, found in wet pine savannas. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

66
Strong

Native to Arkansas (estimated). How scores work Is it native here?

Profile 71%

Light
Full sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Fruiting season
June to July

Not yet recorded · Height · Spread · Leaves · Bloom

Height and bloom: NC species account not read yet.

Spread and leaves: no source found yet.

Searched in old botany books; not found yet.

Recorded in 4 Arkansas counties.

Ecological relationships

Who uses this plant?

What these records mean

12CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · 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
  • Papaipema nebrisStalk Borer
  • Platynota flavedanaBlack-Shaded Platynota
  • Pygarctia spragueiSprague's Pygarctia Moth
  • Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
  • Spodoptera frugiperdaFall Armyworm Moth
Show all 12
  • Strymon melinusGray Hairstreak
  • Trichordestra legitimaStriped Garden Caterpillar Moth
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
Flower color
White, green or purple
Fruit begins
June
Fruit ends
July

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

Growing sources and scope

Conservation status

Arkansas rankSNR
Global rankG4G5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources