Knowledgebase

Lilac bush blight #878181

Asked July 21, 2024, 10:02 PM EDT

Noticed all the leaves on lilac bushes have turned brown. The blight has appeared overall bushes in the last two weeks. There is one white lilac bush that isn't affected. I noticed this also in a friend's yard.

Carver County Minnesota

Expert Response

Lilac bacterial blight has been very common this year. 
It can be managed but it is challenging. The plant disease clinic can provide an accurate identification.
https://pdc.umn.edu/
http://plantclinic.cornell.edu/factsheets/lilacbacterialblight.pdf

https://extension.oregonstate.edu/news/how-recognize-treat-avoid-lilac-bacterial-blight

https://hort.extension.wisc.edu/articles/bacterial-blight/

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