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Jul 08, Start by taking out the thickest stems first. Although you'll be losing some flowers for the current year, pruning overgrown lilacs is easiest early in the spring before the branches leaf out. After three consecutive years of pruning your overgrown lilac. Apr 02, How to Prune Lilac Bushes. 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. Apr 06, How to Prune Lilacs. To start pruning your lilacs, you’ll need hand pruners, garden gloves, and possibly a garden or hand saw. Flowers – Cut out any old or dead growth toward the middle of the bush.

This helps discourage any fungal growth and also increases air circulation to the healthy, young flowers. Deadheading, or cutting off dead flowers, should be also be done. Stems – Any long stems that affect the shape of the lilac bush Estimated Reading Time: 3 mins. Remove the Old Wood: Remove the old wood every year. As the plant grows, the amount of wood increases. The wood, if not removed, creates a visible hole in the center of the lilac bush. Allow the new shoots to cover this hole, and replace the old wood.

If the plant is new, light pruning will be shrubtrim.buzzted Reading Time: 4 mins. 2. Lilacs should be pruned yearly to develop a good framework of stems and promote vigorous growth that enhances flowering. Yearly pruning consists of cutting diseased, misshapen, and unproductive stems to the ground. I also thin and remove some stems to encourage properly spaced, vigorous growth.

Jun 10, To prune your lilacs, start deadheading in early-to-late spring by cutting the flowers at their base just after they’ve reached their peak. You should also cut any flowers that are already dying so they don’t sap energy that could be used for new shrubtrim.buzz: K.