Knowledgebase
Lilac bushes #880232
Asked August 05, 2024, 11:07 AM EDT
Stearns County Minnesota
Expert Response
https://extension.umn.edu/plant-diseases/leaf-spot-diseases-trees-and-shrubs#bacterial-leaf-spots-1156513
http://plantclinic.cornell.edu/factsheets/lilacbacterialblight.pdf