Lilacs do not bloom - Knowledgebase Question

Fairview Park, Oh
Question by bucko13
June 30, 2010
We have large lilac bushes that have been here as long or longer than we have lived in our home, 35 years. We have been having trouble getting them to bloom for several years now. The foliage looks healthy, but produces no flowers. Can you help?

Answer from NGA
June 30, 2010


Lilacs develop flower buds during the summer months for the next year's floral display. Because of this we recommend pruning immediately after the flowers are spent so the plants will develop new growth and flower buds. Even though yours did not flower, go ahead and prune them back a bit. The new growth should include flower buds and you should see flowers next spring. Hope so!

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