Common Milkweed (Asclepias syriaca)

Common Milkweed (Asclepias syriaca)

Common Milkweed is one of the most important native plants for wildlife and one of the easiest ways to support monarch butterflies. In early summer, it produces large, globe-shaped clusters of fragrant pink flowers that fill the air with a sweet scent and attract a constant stream of pollinators. Its broad leaves and sturdy stems create a unique, almost prehistoric appearance that stands out in prairies, meadows, and sunny garden beds alike.

While some gardeners hesitate because of its tendency to spread, Common Milkweed earns its place many times over. It is incredibly resilient, thriving in poor soils, drought, and neglected areas where other plants struggle. By midsummer, the flowers give way to large seed pods that split open in fall, releasing silky seeds that drift through the air. Few native plants offer as much ecological value while asking so little in return. We recommend waiting until a garden bed has reached maturity, in year 3 or 4, until adding common milkweed to help limit its spread.

Growing Conditions
Light: Full sun
Soil: Medium to dry; adaptable to sandy, rocky, and clay soils
Height: 3–5 feet
Spread: 2–4 feet, spreads by rhizomes
Zones: 3–9
Bloom time: June through August

Wildlife Value
Common Milkweed is the primary host plant for monarch butterflies, providing essential food for their caterpillars. It also supports queen butterflies and several species of milkweed beetles, bugs, and moths that have evolved alongside it. The nectar-rich flowers attract an impressive variety of native bees, butterflies, wasps, beetles, and hummingbirds, making it one of the most wildlife-supportive plants in North America.

Blooms Alongside: common beebalm(Monarda fistulosa), butterfly weed (Asclepias tuberosa), rattlesnake master (Eryngium yuccifolium), dense blazing star (liatris spicata)

For more information, please check out our sizes, pricing and ordering page.