With a name like Butterfly Bush, you can look forward to a plant that will be appealing to butterflies. It is a well-known bush with large, drooping spikes of small, purple (or sometimes white) flowers closely grouped. The flowers of Butterfly Bushes have a sweet honey fragrance that is brightest at midday. The pleasant aroma attracts a wide range of butterflies, insects, birds, and gardeners. As a result, many people enjoy growing them in their garden as a vibrant addition.