WSU Extension

Hortsense

Crabapple
 
Disease
Powdery mildew 
Scab 
Stem rot 
Insect
Aphids 
Apple-and-thorn skeletonizer 
Leafrollers and leaftiers 
San Jose scale 
Spider mites 

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.