Buttonbush (Cephalanthus occidentalis) is another of my favorites for the butterfly garden. Its ball-shaped flowers capture the eye, it does well in wet areas, butterflies fight to gain access to its nectar, and it serves as a host plant for 18 species of Lepidoptera in my neck of the woods. These include the ethereal promethea moth (Callosamia promethea), the hydrangea sphinx (Darapsa versicolor), and the saddleback caterpillar (Acharia stimulea).
