WSU Extension

Hortsense

Lilac
 
Disease
Bacterial blight 
Powdery mildew 
Insect
Lilac borer 
Lilac leafminer 
Oystershell scale 

WSU Extension Presents
Hortsense
        

Fact sheets outline IPM strategies including cultural, mechanical, biological, and chemical methods.

Pesticides listed in the fact sheets are examples of products that are legal for use in Washington.