Apr 02, Most lilacs don’t require pruning until they reach about 6 to 8 feet ( m.) tall. The best time for pruning lilac bushes is right after their flowering has ceased.
This allows new shoots plenty of time to develop the next season of blooms. Pruning lilacs too late can kill young developing buds.
If you are pruning lilac trees or shrubs entirely to within inches of the ground, it is best to do so in early. Do sharpen your tools before you start. If you shorten it with heading cuts make those cuts were the branch meet the stem to prevent having it look like a lolly pop.
You prune an ever bloomer the same as you would a regular lilac. They begin developing spring blooms around mid August, so that would be the best time to do it. It is not necessary to prune Bloomerang lilac in order for it to rebloom. However, giving it a light trim after blooming does remove the developing seed heads (they look like green bananas, and some people don't care for the way they look on the plant), providing a neater look, and.
If you want to have your blooms next year, it is crucial to prune in those first few weeks after blooming ends. Ideally, this is when you would do maintenance pruning each year. But I get so lazy busy, I end up with a ten foot bush with ten blooms on top. Of course, you can prune in the fall if absolutely required. Can you cut a lilac bush to the ground? Most lilacs don't require pruning until they reach about six to eight feet ( m.) If you are pruning lilac trees or shrubs entirely to within inches of the ground, it is best to do so in early spring.
How much do you prune lilac bushes? Pruning lilac shrubs A good rule of thumb when pruning lilacs is not to prune more than one third of a shrub’s stems per year.
When one of my lilacs climbed a little too high towards the eavestrough, I simply trimmed those branches to a reasonable height. I then trimmed the spent blooms and called it a day.