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Apr 03, Rejuvenating a Cypress Tree. If you are thinking of rejuvenating a cypress tree, it is important to prune at the correct time of the year. Dead, broken, and diseased branches should be removed as soon as possible after you notice the damage.

However, pruning to shape the tree or reduce its size must wait for the appropriate season. When you are rejuvenating a cypress tree that is overgrown, begin cypress tree trimming just before new growth begins in the treecut.barted Reading Time: 2 mins. Mar 29, If you are wondering when to prune Leyland Cypress, then summer is your best time frame. During the first year, trim the top and sides to start forming the shape you desire.

During the second and third year, trim just the side branches that have wandered out too far to maintain and encourage foliage treecut.barted Reading Time: 2 mins.

Step 1. Prune off low, rubbing or inward-growing branches in a bald cypress in late winter or earliest spring before new foliage emerges. Make cuts with hand pruners 1/4 inch above a lower, small branch junction, dormant bud or just outside the swollen collar tissue. Sep 15, If you leave a Leyland cypress unpruned what you’ll get is a tall, pyramidal tree with a fairly broad base.

Start training it early, however, and its final shape is surprisingly flexible.

If you do not trim it regularly, it can get large and hard to control.

The best time to prune is in early spring, before the annual growth spurt begins. This also gives you the chance to sort out any winter damage/5(K).