Remove all dead and weak stems after flowering, generally in early summer. Any growth that has grown beyond its allotted space may also be removed at this time.
Prune down to the highest pair of strong leaf axil buds in late winter or early spring. All old leaves should also be removed at this time.
Heavy pruning is required for this pruning group. All top growth needs to be removed to the leaf axil buds just above the base of the previous seasons stems. (12-24" from soil level) (2)
Try to plant in a location that enjoys partial sun and remember to apply water fairly sparingly. Keep in mind when planting that Kingfisher is thought of as very hardy, so this plant will tend to survive through freezing conditions.