How to prune yesterday-today-and-tomorrow

Immediately after the main spring flowering flush ends. After flowering, trim shoot tips back by one-quarter to shape the plant and remove spent bloom clusters. Cut any dead or crossing branches cleanly at their origin. Avoid cutting into old bare wood. Light tip-pinching of new summer growth encourages the branching that will carry next spring's flowers.

Once annually after spring flowering; light tip-pinching through summer. Yesterday-Today-and-Tomorrow blooms on both old and new wood, so prune lightly and selectively. A heavy prune removes the flower buds set on previous season's growth. Shape lightly after the main spring flowering flush, removing crossing or dead branches. Tip-pinch young shoots through summer to encourage compact, bushy growth for next year's blooms.

After flowering, trim shoot tips back by one-quarter to shape the plant and remove spent bloom clusters. Cut any dead or crossing branches cleanly at their origin. Avoid cutting into old bare wood. Light tip-pinching of new summer growth encourages the branching that will carry next spring's flowers.