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. If you are diligent with annual pruning of your lilac, the shrub will grow to about 8 feet tall with flowers throughout the branches.
Jun 19, Knowing when to trim older lilac bushes is important. Most lilacs don’t require pruning until they reach about 6 to 8 feet tall. The best time for pruning older lilac bushes is right after their flowering has ceased.
This allows new shoots time to develop the next season of blooms. Pruning too late can kill young developing treecut.buzzted Reading Time: 3 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. Apr 12, Pruning right after a lilac has bloomed does allow the new growth to harden, but you still have created an entry point for disease and insects when they are active.
Pruning right after blooming is a compromise that preserves the most blooms versus the risk to a plant%26#;s health. Prune In Late Spring: You must have observed that the lilac bushes bloom only on old growth. Prune them right after they have finished blooming, and before they have started budding for the next year’s show. They are perennial plants that bloom in the spring.
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. Jun 10, This type of pruning goes beyond a lighter annual pruning to severely cut the bush or tree back, allowing for new growth to occur.
Do your assessment in early spring, before the lilac has come back to life. This is the best time of year for a deeper treecut.buzz: K. The Best Time to Uproot & Transfer a Bush.
Moving is difficult for people and plants alike. When you move, you leave behind your friends in the old neighborhood, but most transplanted bushes must.