As the sole plant that hosts and ... of the U.S.: Common milkweed (Asclepias syriaca), swamp milkweed (Asclepias incarnata), and butterfly weed (Asclepias tuberosa). Planting introduced species ...

Butterfly milkweed (Asclepias tuberosa) is one of the tamer milkweeds with lots of ornamental appeal. This adaptable milkweed is hardy in zones three to 10 and was named the 2017 Perennial Plant ...