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This gives the plant a wild appearance, and spoils your landscape design.

Apr 02, 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. Can you prune in the fall?

A summer with extreme weather will yield fewer flowers.

Pruning is also a way to encourage growth. Your tree isn’t trying to grow in the fall, it is trying to hunker, 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?

Most flowering shrubs need regular pruning to keep them vibrant, and the common lilac Syringa vulgaris is no exception.

For lilacs, the recommended method is generally to remove one third of the old wood each year. Jul 08, Most flowering shrubs need regular pruning to keep them vibrant, and the common lilac (Syringa vulgaris) is no exception. Lilac bushes will typically flower without any effort from you.

However, if left to grow and spread on their own, common lilacs will eventually only flower on the tops of the uppermost branches. Jun 04, Asked on Jun 04, Can I prune my lilac bushes now or wait till the fall? Answer + 2. You might need a sharp saw to cut them down. Remove the Old Wood: Remove the old wood every year. As the plant grows, the amount of wood increases. The wood, if not removed, creates a visible hole in the center of the lilac bush.

Allow the new shoots to. Aug 27, Renewal pruning to decrease density and consistent watering will help support the stressed plant.

Verticillium wilt affects a number of plants in our landscapes, including lilac. It is caused by two fungi: Verticillium dahliae and Verticillium albo-atrum.

There is no cure for a plant with this fungal infection.