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Red Milkweed

Asclepias rubra

Found in pocosin ecotones, wet pine savannas, seepage bogs in longleaf pine sandhills, seepage swamps. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

66
Strong

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

Profile 100%

Height
1.5–3 feet
Spread
10–12 inches
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

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 September
Fruiting season
July to October

Not yet recorded · Leaves

Recorded in 7 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 5

Swamps

Loblolly bay in a coastal swamp
Regional / representative. Shown: Southern coastal swamps, Florida to Virginia; state not identified, a neighboring state.Loblolly bay in a coastal swamp, Marian Ellis Rowan, 1901. Public domain. Source record.

Pine savannas

Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Coastal Plain seepage bogs

Open, wet, seepage-fed bogs of the Coastal Plain and Sandhills, often with pitcher plants.

Seeps and springs

Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 145 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

13CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · 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
  • Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
Show all 13
  • 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 6a–9b
Soil pH
Acidic
Flower color
Pink or purple
Fruit begins
July
Fruit ends
October
Growing sources and scope

Conservation status

Alabama rankS1
Global rankG4G5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources