This will encourage better air circulation, preventing powdery mildew.
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 stumpdrop.clubted Reading Time: 2 mins. Lilacs may take a few years to bloom after planting. Once established, lilacs can live a long time.
Lilacs need pruning immediately after blooming to promote flowering the next year. Lilacs usually produce new growth (suckers) from the root area. Jul 08, 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 throughout the branches. The time to prune mature lilac plants is just after the flowers have faded in the stumpdrop.clubted Reading Time: 7 mins.
Jul 14, Why it’s best to prune your lilacs in early summer Once a lilac bush is more than two years old, it requires annual pruning. The best time to grab your clippers and get to work is in early summer, after the flowers have bloomed and faded.
Here’s what you should know about caring for lilac bushes and stumpdrop.clubted Reading Time: 2 mins. Apr 28, Don't prune later in the summer or fall.
This annual pruning should take place during spring (May or June in the northern hemisphere, around September to November in the southern hemisphere). Such pruning will encourage the development of new buds, which will continue maturing over the year before they bloom the following spring%(4).