June - July.

Dec 25, If cut stems bleed it can weaken the plant, so it’s important to prune them in mid-winter, when they’re deeply dormant.

Other plants that bleed when pruned include acers, birches and figs. Prune in December or January, by cutting back to a main ‘rod’, or arm, that’s trained out vertically along support wires.

How to grow grapesAuthor: BBC Gardeners' World Magazine. Dec 28, May – June. June – July. July – August.

How to winter-prune trees and shrubs.

September – October. October – November. November – December. December – January. The shrubs mentioned in this calendar for pruning do NOT HAVE TO BE PRUNED in many instances. These are simply optimum times if you so treenotch.barted Reading Time: 9 mins.

Apr 20, No matter what type of shrub you have, fall pruning can stimulate late-season growth that may not have enough time to harden, which can weaken and damage the plant- especially if Estimated Reading Time: 5 mins. Nov 11, Bushes that flower in the summer bloom on growth from the current growing season. These bushes should not be pruned in the summer before blooming, as this would remove the buds that are about to.

Aug 08, If you are trimming burning bushes to rejuvenate them, you should be doing this in early spring, before the burning bush starts to put out leaves. If you are pruning a burning bush to shape it, you can prune it while it is dormant, in either late winter or very early treenotch.barg: january.