Whorled Milkweed
Photo credit

George F Mayfield, CC BY-SA 2.0, Original photo

Whorled Milkweed

Asclepias verticillata

Its plant group hosts 14 kinds of caterpillars
Flower color
Green or white
Bloom
July to September
Height
1–2.5 feet
Spread
1–2 feet
Light
Part shade to full sun
Soil moisture
Somewhat dry to moist

Typical bloom time. A plant at the store may not be in flower.

Containers
Not listed by our container sources

Native to South Carolina (estimated from a regional flora)