Knowledgebase
lilac color #870632
Asked May 29, 2024, 4:49 PM EDT
Washington County Vermont
Expert Response
Here is some information about lilac care and maintenance,
https://extension.umd.edu/resource/lilac-identify-and-manage-problems/
A possible problem for a 15-year-old plant is pruning,
https://lancaster.unl.edu/hort/articles/2005/prunelilacs.shtml
This is an interesting article from a lilac expert. It doesn’t add a lot of information, but provides depth to the previous articles, https://extension.unh.edu/blog/2018/05/purple-wonders
I wasn't able to find a definitive answer, but hopefully, this information will be helpful.