WSU Extension

Hortsense

Ornamental Trees
 
Ash 
Birch 
Crabapple 
Dogwood 
Elm 
Hawthorn 
Honey locust 
Horsechestnut 
Laurel 
Linden(Tilia) 
Madrone 
Maple 
Mountain Ash 
Oak 
Ornamental Cherry 
Ornamental Pear 
Ornamental Plum 
Poplar 
Sycamore 
Willow 

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.