Clusters of greenish-white flowers appear from late spring through summer, in loose heads over attractive, thread-like foliage. The plants are upright and sparingly branched. Seed pods are narrow, unlike many other milkweeds, and about 3″ long. The whorled name refers to the foliage that arises from the stem in a whorl.Culture: Full sun, dry soil. Grows well in light shade at woodland edge and in regular garden soil.
Use: Naturalized prairie plantings, native gardens, wildflower meadows. Due to spread by moderately aggressive underground rhizomes, not recommended for tidy, small gardens.
Native Environment: Prairie / Glade
Height: 18 to 24 inches
Spread: 12 to 18 inches
Plant Type: Herbaceous Perennials
Color: Light Green / White
Sun Exposure: Full Sun
Season of Interest: June to September
Soil Moisture: Average / Moderate
Animal Resistance: Deer Resistant / Rabbit Resistant
Nature Attracting: Butterfly / Hummingbird / Pollinators / Beneficial Insects
Special Features: Ornamental Fruits/Pods/Seed Heads
Special Usage: Fragrant
Tolerate: Deer, Drought, Dry Soil
Host Plant: Monarch Butterfly