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Prune a Japanese lilac tree twice a year, once in winter when it is dormant and once in spring after it blooms. You need pruning shears or garden clippers and a ladder.


Japanese lilac branches don’t bloom until they are three years of age, so use caution when cutting old wood. Prune the Japanese lilac tree immediately after flowering. By using the proper pruning techniques , you can help encourage the shape, vigorous growth, flowering, and will make your Japanese lilac tree more resistant to pest and diseases.


The Japanese lilac tree--which can grow to 25 feet tall and almost as wide--makes an impressive specimen planting or accent tree. By using the proper pruning techniques, you can encourage shapely and vigorous growth, promote flowering, and make your Japanese lilac tree more resistant to pests and diseases.


Learn how to prune lilacs with tips on when to do it, how to do it, and the two ways you can revive your overgrown lilacs. ... The time to prune mature lilac plants is just after the flowers have faded. ... Know How and When to Prune Your Plants Gardening Basics How to Grow and Care for Bleeding Hearts


For tree-type varieties, including Japanese tree lilac (Syringa reticulata) and Peking lilac (Syringa pekinensis), there are two main steps to pruning; the first should be performed in winter and ...


Prune the new growth back a third after flowering time each spring to encourage branching. New trees will take 3 or more years to begin flowering. Trim lilac trees annually to keep them manageable; some varieties can grow to 30 feet tall. Remove dead branches anytime or tie a string around them and remove them when the tree is dormant.


Bob Bricault, Horticulture Educator for Michigan State University Extension demonstrates how to prune a lilac using renewal pruning.


Read this article to find out when and how to prune a lilac bush. Newsletter signup: * ... Pruning Lilac Bushes: When To Trim Lilac Bushes. ... 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 ...


Dwarf lilacs generally require much less pruning for shaping and height control than standard-size lilac trees and shrubs. ... Lilac, Japanese Tree Lilac ... Angela. "How to Prune Dwarf Lilac ...


Additional Japanese Lilac Information. Japanese tree lilac is available as container-grown or balled and burlapped plants at local garden centers and nurseries. If you order one by mail, you will probably get a bare root plant. Soak bare root trees in water for a few hours and then plant them as soon as possible.