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. Jul 08, When to Prune Lilac Bushes. Many of the newer lilac varieties grow quickly and might need pruning starting in their second or third year.
In general, by the time a stem reaches more than 2 inches in diameter, it should be pruned. If you are diligent with annual pruning of your lilac, the shrub will grow to about 8 feet tall with flowers. Prune the bushes so that they do not fan out.
Your aim should be to maintain the vase-like shape. Since lilacs can grow from 4 to 30 feet, their height depends on your choice.
Trim them accordingly. Cut off Flowers, Shoots, Suckers, and Runners: You would find the base of the lilac plant clumped with old and wilted flowers. You would also see Estimated Reading Time: 4 mins. Jun 19, Jun 19, Many lilacs can grow thirty feet tall without regular pruning. Pruning lilac bushes on a regular basis keeps them from becoming too tall and unmanageable.
My lilac tree and I say tree and not a bush because it is way over 10 feet tall, probably closer to 15 feet.
It is over years old and has not been pruned in about 20 treelopping.buzzted Reading Time: 3 mins. Jan 09, You can prune the entire plant back 6 to 8 inches from the ground. This is a very dramatic method and you won’t most likely not see blooms for 2 years but it works. Note: Check to see if your lilac has been grafted. Check the main trunk of the Lilac and see if there is a bump and difference in the bark. That would be the graft union. Jun 10, 2.
Nip off the long stems. Take a look at your lilac bush or tree and assess whether there are any extra-long but healthy-looking stems that need to be cut back. Doing so will help the lilac keep its pretty shape. The process of cutting back the stems a bit is called tipping treelopping.buzz: K.