Apr 02, When to Trim Lilac Bushes. Knowing when to trim lilac bushes is important. 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. 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. Wish to lend a neat, groomed look to your garden? You need to maintain good plant care, and resort to pruning, from time to time. Lilac bushes are some of the plants which need this for proper, orderly growth. You can start pruning them when they are years old, and have established themselves stumphauling.buzzted Reading Time: 4 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. Mar 02, Deciduous plants used for foliage, such as cork bush (Euonymus alatus) and privet, can be treated similarly.
As you cut them back, be sure to shape the plants somewhat wider at the bottom so sunlight can reach the lower branches. For flowering shrubs such as azalea, rhododendron, and lilac, pruning before they bloom removes some flowering buds. Oct 06, You should resist the temptation to prune or trim your lilac bush until it is at least 6 ft. tall, which typically occurs during the second or third year of growth.
At this point, there will be enough excess stems and blooms for optimal shaping. Aug 27, Pruning off damaged branches could prevent further damage. Monitor next spring as lilac starts blooming for the adults and set traps using pheromones (see Lilac borer). Sprays can be applied. Contact a certified arborist for treatment. If you believe the damage is likely caused by a pathogen, submit a sample to the UMN Plant Disease Clinic.
May 19, Don't worry about killing the lilac. Trim them off at your your preferred height and they'll bush out and grow right back whereby you'll have to trim them again next year. They'll also send up zillions of new shoots that will be available replace any you may lose due to disease.
Nov 28, The Best Time to Trim a Privet Hedge. The old saw that the best time to prune is when the shears are in your hand is true for common privet.