Though milkweed has flower clusters like Joe Pye weed, they bear a special arrangement named umbel inflorescence. Butterfly Weed is really a showy member on the milkweed household. At times called Orange Milkweed, this perennial wildflower options massive flat-topped clusters of tiny flowers that improve 2 to five inches across. https://what-is-a-milkweed-plant86420.blogolize.com/top-is-milkweed-an-annual-or-perennial-secrets-70182386