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Carefully examine plants in late winter/early spring and prune out any dead wood. If the weigelas suffer little dieback, remove a few of the largest, oldest stems on large, well-established plants.

Removal of a few large branches in late winter/early spring allows the shrub to bloom in late spring and produce vigorous new flowering shoots for future years. Jul 20, If you are pruning weigela bushes for rejuvenation, find the branches of the bush that are old and woody.

Typically, you are looking for branches 1 ½ inches (4 cm.) thick or bigger. Trim these older branches out from their base on the weigela plant. When doing rejuvenation, do not trim more than one-third of the branches out from the stumpdelimbing.barted Reading Time: 3 mins. When to Prune. Late spring or early summer is recommended for weigela pruning- whenever the last flowers have finished blooming. Don’t wait long after they’ve bloomed, either- try to prune the plant immediately.

If you wait too long, the plant won’t have ample. Oct 28, Step 1 - Use the Pruning Shears Correctly. Never use electric hedge trimmers on weigela, as this will leave a wide swath of open wounds on stems and canes where mold-based diseases can invade the plant. Trim canes, twigs and branches by hand, one at a time.

Always cut above a flower bud or a shoot where a new twig will appear. Weigela – Pruning, Winter Care and Fertilizing. Pruning this plant at any time is a trade off.

Because many of the Weigelia rebloom you have to decide whether shape and the reduce in size is more important than the potential rebloom, its up to you.

Prune these spring flowering shrubs.