Lilac leaves are dying - Ask Extension
I have had minor leaf loss in past years but this year my lilac (I don't know variety) have leaves that have totally died off and are falling off the ...
Knowledgebase
Lilac leaves are dying #878619
Asked July 24, 2024, 3:51 PM EDT
I have had minor leaf loss in past years but this year my lilac (I don't know variety) have leaves that have totally died off and are falling off the shrub. I didn't see any mildew on them prior to them turning brown.
Hennepin County Minnesota
Expert Response
It is probably bacterial blight of lilac.
Management.
https://extension.umn.edu/plant-diseases/leaf-spot-diseases-trees-and-shrubs#bacterial-leaf-spots-1156513
https://www.canr.msu.edu/news/bacterial_blight_of_lilac
https://yardandgarden.extension.iastate.edu/encyclopedia/lilac-bacterial-blight
https://hort.extension.wisc.edu/articles/bacterial-blight/
https://extension.psu.edu/lilac-diseases
http://plantclinic.cornell.edu/factsheets/lilacbacterialblight.pdf
https://www.rhs.org.uk/disease/lilac-blight
Management.
https://extension.umn.edu/plant-diseases/leaf-spot-diseases-trees-and-shrubs#bacterial-leaf-spots-1156513
https://www.canr.msu.edu/news/bacterial_blight_of_lilac
https://yardandgarden.extension.iastate.edu/encyclopedia/lilac-bacterial-blight
https://hort.extension.wisc.edu/articles/bacterial-blight/
https://extension.psu.edu/lilac-diseases
http://plantclinic.cornell.edu/factsheets/lilacbacterialblight.pdf
https://www.rhs.org.uk/disease/lilac-blight