WSU Extension

Hortsense

Hemlock
 
Disease
Annosus root rot 
Phytophthora root rot 
Insect
Coneworms 
Hemlock scale 
Hemlock woolly adelgid 

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.