Asclepias verticillata
whorl-leaf milkweed, whorled milkweed.
Apocynaceae

Plant Specifics
Form:
Size:
Life Span:
annual
Flower Color:
Fruit Color:
Phenology:
Noted For:
Landscaping
Recommended Uses:
Considerations:
It may be necessary to re-seed to keep this in the garden. Seed is not generally commercially available. This is the most toxic of the milkweeds and is considered a weed where livestock graze.
Light:
Moisture Tolerance:
Usually moist, occasional inundation ---- to ---- Not wet but not extremely dry
Salt Water Flooding Tolerance:
Unknown
Salt Spray/Salty Soil Tolerance:
Low/no tolerance of salty wind or direct salt spray
Soil or Other Substrate:
Sand
Suitable to Grow In:
8A,8B,9A,9B,10A,10B
Ecology
Wildlife:
Larval host for the monarch butterfly ( Danaus plexippus ). Attracts various pollinators.
Native Habitats:



