Growing Lilacs 3 Pruning is unnecessary for the first 3 or 4 years. Thereafter, limit pruning to the removal of weaker wood from the center of the bush.
This prevents a thicket from developing. You should do this soon after flowers have fallen. Do not prune in late summer, fall, or winter; late pruning often results in removal of flower buds. Jul 14, Lilacs grow the next season’s flower buds in early summer, immediately after their flowers fade.
If you put off pruning until later in the season, you risk removing the developing buds. This is equally true for lilacs such as Bloomerang Purple that bloom twice a year. By pruning the bush after its initial bloom, you encourage new growth and more flowers in its second bloom in early shrublopping.clubted Reading Time: 2 mins.
Timing is one of the most important factors in pruning lilac bushes. Once your bush reaches 6 feet tall, yearly pruning should definitely become one of your must-do gardening tasks. Your lilac bush will reach this height after a few years worth of shrublopping.clubg: new york.
Jun 10, To prune lilacs, get to work in the spring: cut fresh flowers for bouquets, nip off the longest stems, and thin out any weak stems at the base. Avoid pruning late in the summer or fall since doing Views: K. Jan 09, Cut back 1/3 of the older lilac canes or branches. The following year cut out the next 1/3 of the oldest branches then the final year cut back the last of the oldest branches. Doing this in 1/3’s will let you have blooms and still cut back the old worn out branches fully renovating the lilac.
May 21, If you have a lilac bush that needs to be scaled down, now is the best time to do it. You want to remove no more than a third of the plant at a time, so this may be a.