Botanical Name: Asclepias verticillata
Plant Family: Asclepiadaceae
Description: Whorled milkweed is a single-stemmed, unbranched perennial, 1-3 ft. tall. The narrow, linear leaves are whorled along the stem. Small, greenish-white flowers occur in flat-topped clusters on the upper part of the stem.
Growing Conditions: Sun, Part Shade. Sandy, clayey or rocky soils. Because of its toxicity to livestock, this plant is considered a weed in range areas.
Bloom Time: White , Green
Bloom Color: May, Jun, Jul, Aug, Sept
Benefit to pollinators/wildlife: Attracts butterflies.
Larval Host: Monarch
Native Status: PA native, US native
Location in habitat: Pollinator Demonstration Garden.