WSU Extension

Hortsense

Willow
 
Disease
Bacterial twig blight 
Marssonina leaf & twig spot 
Rust 
Twig blight (Venturia) 
Insect
Carpenterworm 
Poplar-and-willow borer 
Satin moth 
Spiny elm caterpillar 

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.