A fast-growing North American native shrub sporting unusual golf-ball sized flowers that look like as though they're of extraterrestrial origin, the Buttonbush is one that will grow almost anywhere in America, USDA Zones 5a to 11. It will grow in almost any conditions including wet or dry soil and sun or part shade. The scented, creamy-white spherical flowers flowers have long styles that extend above the four anthers make it look like an artificial satellite or pincushion. A must-have addition to any butterfly, hummingbird and bird garden. Get all the details below!