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Whorled Milkweed

Asclepias verticillata

Slender thread-like leaves in whorls give a delicate haze quite unlike other milkweeds. Monarch host plant adapted to dry, lean soils where common milkweed declines. Late bloomer for the milkweed sequence.

Family

Apocynaceae

Type

wildflower

Lifespan

perennial

Height

1–2.5 ft

Spacing

1–2 ft apart

Light

sun, part shade

Soil moisture

dry

Soil pH

acidic, neutral, alkaline

Bloom

May, June, July, August, September

Bloom colors

white, green

Wildlife value

butterflies, larval host, monarch host

Landscape uses

border

Native states

AL, AR, AZ, CO, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV, WY