Forest Health

Washington Department of Natural Resources has a Forest Health and Resiliency Department which will help public and private landowners care for their trees and lead the state’s efforts to reduce uncharacteristically severe wildfires.

Forest health highlights in Washington is published annually by the USDA Forest Service, Pacific Northwest Region and the Washington Department of Natural Resources.  This 40 page publication gives details on the specific insects and areas of damage, mostly in eastern Washington.

USDA Forest Service, Pacific Northwest Region, Forest Health has a number of publications about forest health, including

  • Forest Disease Management Notes, which describe various diseases that can affect native trees
  • Forest Health Highlights by state and year
  • Links to many more publications about diseases and insects in the Pacific Northwest

Disease and insect damage. Chapter 8 in "Forest Management for Small Landowners" by Bryon Loucks. 2020.


Why are so many conifers dying? A look at current forest and tree health issues.  Presented by Kevin Zobrist. Washington State University Extension Forestry. 2020. 1 hour, 30 minutes