This technique will cause more branching and create a denser shrub.
The best time for pruning lilac bushes is right after their flowering has ceased. If you are pruning lilac trees or shrubs entirely to within inches of the ground, it is best to do so in early spring. New shoots will develop during the regular growing season as long as there are a few healthy shoots left. For lilacs, the recommended method is generally to remove one third of the old wood each year immediately after flowering and shape the shrub over a number of stumpmulching.club course, you can prune in the fall if absolutely required.
Jul 08, 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 stumpmulching.clubted Reading Time: 7 mins. Can you prune in the fall? Pruning is also a way to encourage growth.
All hardy in U.
Your tree isn’t trying to grow in the fall, it is trying to hunker stumpmulching.club, pruning will weaken the plant. It is best to wait to prune until the dormant season next spring. You may ask, Can I prune lilac in October? For lilacs, the recommended method is generally to remove one third of the old wood each year immediately.