Alternate Names: Purple Milkweed
Heart-Leaf Milkweed (Asclepias cordifolia), a member of the Apocynaceae (Dogbane Family), is a herbaceous perennial that grows to 6 feet tall and has red to purple flowers that bloom in the spring and summer.
Monarch Butterfly (Danaus plexippus)
Many other butterflies use this plant as a nectar source.
Heart-leaf milkweed is found growing in coniferous woodlands and dry rocky slopes. It is native to California, Nevada, and Oregon.
Native Americans used the fibers of this plant to make ropes and nets (Lady Bird Johnson Wildflower Center). The species names refers to the heart-shaped leaves.