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Jul 08, Japanese tree lilacs generally require little, if any, pruning until they are about 3 years old. After this, any necessary pruning should be done immediately after the flowering period is over.

Keep in mind that, as with other size reduction techniques, it might not set flowers for a few years after being coppiced.

Remove dead or diseased branches, as well as any branches that interfere with the overall vase shape or clutter the interior of the tree. Lilacs are not meant to have this sheared look, and don’t have the branch structure leant to this. Rather, prune each major branch back to a side shoot. Remember, as with pruning any shrubs or trees, the shoot or bud just below where you prune will grow out in the direction it is pointing.

Apr 02, How to Prune Lilac Bushes.

Prune to minimize bare stubs - cut to just above a branch node or bud lest you leave an unsightly stub that will die off.

When pruning lilacs, cutting back the tops of overgrown stems is oftentimes not enough. It is generally better to cut the entire stem. Trimming lilacs is best accomplished using clippers. Remove spent blooms all the way to the stems to prevent seeding and encourage more blooms later on. Cut back about a third of the branches.

May 26, In pruning your dwarf lilac tree, cut the branches back a bit, ideally only by 1/3 at the most. If you have any overgrown branches, then you may need to control these with more vigorous pruning. One of the things you’ll need to do with a dwarf lilac tree is to shape it.5/5(1).

Jun 01, Typically, lilac pruning aims to meet any combination of the five following goals: Deadheading - removing spent blossoms and seedheads to visually clean it up and increase blooming potential for next year.

Removing or minimizing basal shoots (suckers). Reducing the shrub's size to encourage lower blooms where we can more easily enjoy bushremover.barted Reading Time: 7 mins. Jul 19, Pruning your lilacs is essential for healthy growth and ample blooming. For tree-type varieties, including Japanese tree lilac (Syringa reticulata) and Peking lilac.