NPSOT Logo

Whorled Milkweed

Asclepias verticillata

Other common name(s):

Eastern Whorled Milkweed

Family:

Apocynaceae (Dogbane Family)

Plant Ecoregion Distribution Map

East Central Texas Plains, Gulf Coast Prairies and Marshes, Texas Blackland Prairies, Western Gulf Coastal Plain
Bastrop Lost Pines, Floodplains and Low Terraces2, Northern Post Oak Savanna, Northern Prairie Outliers, San Antonio Prairie, Southern Post Oak Savanna
Northern Humid Gulf Coastal Prairies
Floodplains and Low Terraces1, Northern Blackland Prairie, Southern Blackland Prairie
Flatwoods, Floodplains and Low Terraces3, Pleistocene Fluvial Terraces, Red River Bottomlands, Southern Tertiary Uplands, Tertiary Uplands

Plant Characteristics

Growth Form

Herbaceous

Height

1
to
3
ft.

Spread

1
to
2
ft.

Leaf Retention

Deciduous

Lifespan

Perennial

Habitat and Care Requirements

Soil Type(s)

Sand, Clay, Rocky, Dry

Light Requirement

Sun, Part Shade

Water Requirement

Low

Native Habitat

Woodland

Bloom and Attraction

Bloom Color

White, Green

Bloom Season

Summer

Seasonal Interest

Nectar

Wildlife Benefit

Butterflies, Bees

Maintenance

All milkweeds are toxic to humans.

Comments

Blooms May-September. Wonderful pollinator plant.

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=ASVE. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Asclepias+verticillata&formsubmit=Search+Terms. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=1401&locationType=County&mapType=Normal, 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=30320#null