WSU Extension

Hortsense

Madrone
 
Disease
Collar rot (Phytophthora) 
Leaf blight 
Leaf gall 
Leaf spot 
Madrone canker 
Insect
Madrone leafminer 
Shield bearer 

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.