Butterfly weed ( Asclepias tuberosa ) is a great plant for attracting butterflies. It's bright orange blossoms are excellent at producing nectar that draw in many species of butterflies. It is even more important for the monarch. Since butterfly weed is a member of the milkweed family it is also a host plant for the monarch caterpillar. So this plant can provide food to all stages of a monarchs life that require food.