We welcome any suggestions for hosts or pests that have not been included in this edition. This is a work in progress and new hosts and pests are added each year. If you are aware of pesticides that have proven to be effective or not, let us know so they can be considered or removed. —Sharon J. Collman (collmans@wsu.edu)
Hosts and Pests of Landscape Plants
Michael R. Bush and Sharon J. Collman
Revised:
March 2021
Includes management options for commercial and home use.
In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal document. Read the product label before making any pesticide applications.
Protect pollinators: See How to Reduce Bee Poisoning from Pesticides.
Note: Products are listed in alphabetical order and not in order of preference or superiority of pest control.