Knowledgebase
Lack of blooms on lilacs #880367
Asked August 06, 2024, 9:32 AM EDT
Hennepin County Minnesota
Expert Response
Hi Tracey,
This page has a nice summary of why lilacs don't flower. Note the most important -- they will stop blooming in shade. Also pruning time is important.
https://extension.umaine.edu/piscataquis/lilacs/
Hope this helps. Thanks.