Definition of butterfly weed in US English:

butterfly weed


  • A North American milkweed with bright orange flowers which are attractive to butterflies.

    Asclepias tuberosa, family Asclepiadaceae

    • ‘Seeds of most hardy perennials - including bleeding heart, butterfly weed, columbine, delphinium, liatris, and penstemon - require a period of chilling to germinate.’
    • ‘Milkweed or butterfly weed (Asclepias spp.), which produces flattened clusters of star-shaped blooms for months, is a nectar plant for several butterflies and a larval food plant for monarch butterflies.’
    • ‘Plants here include prairie rose, nodding onion, gray-headed coneflower, butterfly weed, green milkweed, hoary puccoon, and even eastern prickly pear cactus.’
    • ‘In North America, monarch butterflies lay their eggs on and drink the nectar of numerous milkweed species, including the bright orange Asclepias tuberosa, known to gardeners as butterfly weed.’
    • ‘Then they added more grasses and some butterfly weed, asters, and anemones, often in repetition and sweeps.’