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.
Jan 06, Pruning for Post Lilac Winter Care. Pruning is not important for the first 5 to 6 years of a young lilacs life. It can be an important step to lilac recovery if winter damage has occurred. Wait until the plant has bloomed before you make any cuts to avoid removing the flowers. Cut out any damaged or. Lilac shrub and dwarf forms – Pruning, Winter Care and Fertilizing. Including France, Meyer, Patula and Canadian as well as Chinese and Persian. Prune these spring flowering shrubs soon after they have bloomed.
Top prune the plant to improve the shape and reduce its size but, be careful not to remove more than 30% of the top growth. 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.