What can I do to get 6-7 year old lilacs to bloom?
by
Sindalaa
I only get 3 or 4 blooms each year. They are in sun most of the day. They get pruned after the lilacs are through blooming (Ha ha). I fertilize them every spring, but never get more than a few blooms.
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If you are cutting off the branch tips (pruning at the wrong time) you may be removing the next year's flower buds.
How many hours of sun does it get? They prefer full sun, and will leaf our fine but not bloom if they're in too much shade.
Good luck!!
www.gardenguides.com/96627-lilac-bush-bloom.html