Whorled milkweed is best suited for sunny, dry to medium soils and works well in prairies, meadows, and naturalized plantings. It spreads by underground rhizomes, but is typically less aggressive than common milkweed, making it easier to manage in garden settings. Its fine, thread-like leaves give it a softer texture compared to other milkweeds.

It is an important host plant for monarch caterpillars and supports a variety of pollinators with its small white summer flowers. Its airy form allows it to mix well with other native plants, adding diversity and movement to late-season plantings