Here's some sites you should find helpful, including how to prune an old lilac. Best offers for your Garden - https://amzn.to/2InnD0w ----- The Best Time to Prune a Lilac Tree. When a tree outgrows its space, gardeners must decide if it is worth reducing it in size. Cut back about a third of the branches. To facilitate rapid healing of cut surfaces, prune these in late summer or early autumn instead. We use cookies to make wikiHow great. Remove spent blooms all the way to the stems to prevent seeding and encourage more blooms later on. Cut away shoots growing near … Keep this in … Note that this “all at once” approach is generally not recommended for the health of the shrub. Californian species are known as Californian lilac, and it is one of the most popular species. The alternative is to replace the tree with one to suit the space, but this is not always practical. To keep things simple for now, we’ll think of lilac pruning as either maintenance pruning or rejuvenation pruning. If you have to look up at a 20-foot lilac bush to see your blooms, then it’s time to prune it down – the right way. 35 Related Answers. In summary, it must be said that the right time to prune any ceanothus is after flowering. 0. When to prune. If you’ve ever had an older common lilac in your landscape that went unpruned for many years, you’re probably familiar with their overgrown, unruly habit when left alone. How to Prune Miniature Lilacs. He graduated from Montgomery College in Maryland with a degree in Landscape Horticulture, and has called Columbus, OH his home for nearly 20 years. As a general rule for all lilacs, they should be pruned immediately after they’re done flowering in the spring. At this time if the shoots are long and spindly you can prune the plant back 50 per cent of its height. In order to ensure you get the most flowers on your lilac year after year, it’s important to know when and how to prune them. My mission is to help women to tap into their creativity and gain the confidence they need to tackle DIY projects around the home. How to Prune Lilac Bushes When pruning lilacs, cutting back the tops of overgrown stems is oftentimes not enough. Tree lilacs do become leggy when left to their own devices, but they respond to regular pruning after flowering. Cut lilacs freely and trim fading flowers to prevent the tree from setting seed. By using the proper pruning techniques , you can help encourage the shape, vigorous growth, flowering, and will make your Japanese lilac tree more resistant to pest and diseases. When is the best time to prune? Doing it in fall, winter, or before the first bloom will cut off the flower buds. This strategy not only rewards you with fragrant, colorful bouquets, it ensures you don't prune too early or too late, both frequent reasons for lack of bloom. We use cookies to make wikiHow great. Therefore, trim lilacs immediately after they finish blooming. There are many ways to improve both the health and the shape of a tree. Pruning is not required for your Bloomerang lilac tree—while it can boost new growth, your tree will rebloom either way. You need pruning shears or garden clippers and a ladder. When To Prune As a general rule for all lilacs, they should be pruned immediately after they’re done flowering in the spring. New trees will take 3 or more years to begin flowering. You can also cut back any branches that … This will keep them compact. Slugs and snails are the most common culprits to attack lilacs. Lilacs can be grown as a shrub or small tree, so work well in many garden situations, both in pots and in the ground. When we moved to this house it had bushes and a lilac tree with loads of branches every size ... so don't prune those. Only on a hedge. How to prune, when to prune and what pruning method you should use. Doing it in fall, winter, or before the first bloom will cut off the flower buds. This technique is best for newly planted bushes or those that don’t need major work. Drastic pruning will reduce it to a more manageable size. Walter has been an ISA Certified Arborist since 2003. They can teach themselves how to use power tools and create a home of their dreams on a budget. When is the best time to prune? I believe one time to prune is after the flowers have bloomed and died (mid June)? That’s because your lilac sets next year’s buds right after it blooms. White flowered lilac, click to enlarge. Deciduous ceanothus can be pruned hard (and often in the first two years). Japanese tree lilac; Tree Pruning Methods. If you decide to prune your tree, do it immediately after its first bloom. Old ones, can be renewed or when to prune lilac tree by pruning them when they are years! Happening if i start over with a canopy up to 25 feet.. Prune three of the most popular tree pruning methods for general pruning are thinning! 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