Butterfly bushes do not need to be pruned every year. In fact, you only need to prune them when they get too large for the space allotted. But since butterfly bushes only bloom on new growth many gardeners prune them severely each spring to encourage lots of new growth and lots of flowers.
Butterfly bush is an introduced shrub from China that has been widely planted as an ornamental and butterfly plant throughout North America
Butterfly Bush Pruning, How To Cut Back Butterfly Bushes For Country: United States. City: Boise, Cleveland, Nashville, Norman, Tempe
