Fortunately, rejuvenation pruning can revive an old lilac in about three years'.
Prune them out as low as you can get, or as near the main diamond stump grinder, Jasper GA as possible. Some lilacs produce many new shoots from the base (watershoots or suckers). Remove all but a few of these each year, leaving ones to make new branches where you want, and that don’t rub on others. Apr 28, Fragrant, colorful lilacs are easy to grow in most regions. Whether your lilac is a shrub or a small tree, it will need to be regularly pruned in order to maintain a healthy shape and size.
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%(4). Nov 17, The best time -- and only correct time, really -- to prune lilacs is just after blooming. All shrubs fall into one of two categories; some, like many of the hydrangeas, bloom exclusively on new wood and can be pruned to the ground each fall if required.
Others, such as lilacs, bloom only on old wood from the previous season. 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 growth. 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.
As with any plant, some years your lilac will bloom magnificently and some years not so much.
Doing this in 1/3’s will let you have blooms and still cut back the old worn out branches fully renovating the lilac. Jul 14, Trim mature lilac bushes so that they remain within 6 to 8 feet. Aim to have 10 to 12 main stems, each of them 1 to 2 inches thick. Never prune more than one-third of the bush. Create a balance of older stems and new flowering shoots. Little pruning other than deadheading is required on these types.
As the plants age, you can remove a few of the oldest stems to make room for younger, more vigorous stems. Unlike the common lilac, these plants will seldom get out of control. If you do just a small amount of pruning every few years, they may never need to be completely rejuvenated.