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Green Milkweed

Asclepias viridiflora

Found in open woodlands, woodland edges, barrens, glades, especially over mafic or calcareous rocks, and also in disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you

66
Strong

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

Profile 94%

Height
1–2 feet
Spread
1–2 feet
Light
Full sun, Partial shade
Soil moisture
Dry to somewhat dry

Space about 1.5 ft apart from its recorded spread, about 44 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
Fruiting season
August to September

Not yet recorded · Leaves

Recorded in 37 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

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Forest edges and thickets

Wooded scene looking out over partially open fields
Named place / source context. Shown: Chickamauga and Chattanooga National Military Park, Georgia and Tennessee; which part is not recorded, a neighboring state.Wooded scene looking out over partially open fields, Richard Schlecht, undated. Public domain. Source record.

Glades, barrens and outcrops on limestone

Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County
Limestone cedar glade. Shown: Cedar Glade Number 5, Chickamauga and Chattanooga National Military Park, Catoosa County, Georgia, a neighboring state.Cedar Glade Number 5, Chickamauga and Chattanooga NMP, Catoosa County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

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
Flower color
Yellow, green or pink
Fruit begins
August
Fruit ends
September

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

Growing sources and scope
  • Bloom · “Spring and summer” · NC Extension Plant Toolbox
  • Flower color · “Yellow, green or pink” · NC Extension Plant Toolbox
  • Fruit begins · “August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Fruit ends · “September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Height · “1–2 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Minnesota Wildflowers 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 differs)
  • Soil · “Good drainage; Occasionally dry; Very dry” · NC Extension Plant Toolbox (ranked first; NC Extension Plant Toolbox, Tennessee Smart Yards differ)
  • Spread · “1–2 feet” · NC Extension Plant Toolbox
Also known as

Comet Milkweed; Glade Milkweed

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources