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 spring. Nov 21, When to Prune Lilac Bushes. Knowing when to prune lilacs is almost as important as knowing how to prune them.
The bushes generally don’t need to be pruned until they reach about six to eight feet. The best time to prune lilacs is in the fall, once the flowers have stopped blooming and start to turn brown. You also want to avoid pruning too late, as this can kill the developing bushcutter.buzzted Reading Time: 3 mins.
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 throughout the branches.
Jun 19, The best time for pruning older lilac bushes is right after their flowering has ceased. This allows new shoots time to develop the next season of blooms. Pruning too late can kill young developing buds. Deadheading, should be done as soon as possible after the flowers bushcutter.buzzted Reading Time: 3 mins.
As soon as the lilac bush's flowers are dead, trim each flower stem back to the leaves, removing all trace of the flowers. This step stops the lilac from using its energy to make seeds.