(1) All monarch caterpillars eat milkweed , a plant with an acrid latex containing potent cardiac glycosides, causing birds who eat the butterflies to vomit and learn to avoid them.(2) Also known as milkweed and spurge, Euphorbia belongs to an incredibly varied genus that contains over 2,000 species including the Christmas favourite, poinsettia.(3) Plants here include prairie rose, nodding onion, gray-headed coneflower, butterfly weed, green milkweed , hoary puccoon, and even eastern prickly pear cactus.(4) Serious cuts could be treated with the sap of red milkweed , and a beverage brewed from the plant called mouse's tail reportedly lowered blood pressure.(5) The larvae absorb toxins from their food plant, milkweed .(6) Some of the primary plants for butterfly larvae include: aspen, alfalfa, clover, nettle, pearly everlasting, milkweed , grasses, hackberry, parsley, vetch, and willow.(7) For instance, the beautiful Monarch larvae prefer only milkweed !(8) You can always camouflage milkweed by tucking one or two plants behind a couple of lovely buddleias.(9) They put out tubes holding cuttings of milkweed stems with two leaves, whole potted milkweed plants, and microscope slides coated with glycerin.(10) Sedges, bluejoint grass, boneset, and swamp milkweed dominate the community.(11) This can be an effective method of managing hemp dogbane and common milkweed .(12) Volunteers will also be planting milkweed , which monarchs need to reproduce, and trying to create spawning sanctuaries and ‘no-take’ reserves for horseshoe crabs.(13) ‘Common milkweed and other closely related plant species are the sole food source of monarch larvae, or caterpillars,’ he says.(14) Endowed with an insatiable appetite for milkweed , and almost always in close proximity to the plant, these larvae eventually turn into butterflies and continue flying north.(15) As milkweed dies, surviving butterflies begin their long, unwavering flights back to the sheltered groves that safeguarded their ancestors.(16) I need information on the milkweed that attracts monarch butterflies.