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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 encourages more new growth for reblooming.

Trimming after blooming will delay the rebloom by a few weeks compared to an untrimmed Bloomerang lilac. Never cut it back in fall, winter, or early spring - doing so will remove the spring flower buds. 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, providing a neater look, and encourages more new growth for reblooming. Trimming after blooming will delay the rebloom by a few weeks compared to an untrimmed Bloomerang Hardiness: What's My Zone?

Never cut it back in fall, winter, or early spring - doing so will remove the spring flower buds. 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 /5(23).

Apr 06, Bloomerang blooms on old and new wood and does not require pruning. You can remove the spent flowers after the spring bloom for a neater appearance, but it’s not essential. Varieties of Bloomerang Lila c Bloomerang Purple is a standard-size cultivar with lavender-colored flowers. The best time to prune a Bloomerang Lilac is immediately after it has finished blooming in spring. So you'll need to wait until it has finished blooming next spring to prune yours. If at that time your new plant is"leggy," with only a few stems, you could cut it back by 25 to 50 percent of its height.