To prune, you can be extreme and cut most lilacs back to near the ground. are not attractive. I like to prune back about one third of older branches each year. This way you do not remove too much in any one year. Look for those older branches, or branches that are rubbing the bark off of others, or branches that are in the way. Prune them. Jul 08, Remove Any Stems Thicker Than Two Inches in Diameter This regular removal of entire old stems will prevent your lilac from becoming too tall.
Avoid cutting off just the tops of long stems because this can leave the plant with an odd, unnatural shape. With very large stems, a pruning saw might be necessary. Thick lilac stems can be very tough. Apr 28, Use clippers to trim the plant close to the ground. If the trunks are very thick, you may need a saw. Cut each branch back by 1/3 to 1/2. The lilac will grow back, but it'll take a season or two.
If you discovered that your plant was grafted, be sure not to cut below the graft. 4 Cut back the suckers%(4). Sep 17, For older lilacs that have not enjoyed good annual maintenance a more severe renovation prune is in order. A good time to do this is in late winter before new growth begins. 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 treeremove.buzzted Reading Time: 7 mins.
Its important to know when to cut back your Lilacs, prune to late in the fall and you will loose the flower buds for next year.
For new videos like this ever. Aug 05, For these shrubs, some experts recommend a very severe form of pruning, known as rejuvenation pruning.
This involves cutting the entire shrub off at a level just six to 12 inches above the ground. The shrub will be little more than an unattractive clump of stems for a short while, but it quickly restores itself to a new, improved shape.