Method 1 of

Mar 29, If you are wondering when to prune Leyland Cypress, then summer is your best time frame.

Cookie Settings.

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 bushremover.barted Reading Time: 2 mins. Sep 15, 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. The dense foliage of a leylandii can collect a lot of snow and ice, so broken branches aren’t unheard of.

If you feel like doing some more light shaping any time through to about mid-summer, though, go ahead/5(K). When should Leyland Cyprus trees be trimmed? The best time to prune Leyland Cypress is after new growth emerges in the spring until roughly a month prior to the first hard frost. The way our seasons have been changing these past several years, we’ve been able to prune up until late October. Nov 28, Leyland cypress trees also respond well to light pruning or shearing later in the growing season anytime between spring and early-to-mid summer.

However, avoid pruning a. Feb 08, Q: Against my landscapers opinion I had him install about a dozen Leyland Cypress trees along the side of my house. He advised that they grew like weeds and would be hard to control. Was he ever right. Can you recommend a time and manner.