Credit: Neil Holmes / Getty Images. You can clip several butterfly bush species (Buddleia ssp.) in the fall.However, you should only prune Buddleia alternifolia and Buddleia x pikei 'Hever' ('Hever ...

Cold winds may dry out the plant, so protect it by wrapping it in burlap. Heavy snow insulates the plant. In the spring, remove any burlap or mulch that is too deep, and prune away any dead pieces. If ...