Common Insect Pests and Diseases of Sitka Spruce on the Oregon Coast

Jim Reeb and David C. Shaw
EM 9105 | Published January 2015, Reviewed 2023


Sitka spruce is among the world's fast-growing trees and the largest of the world's spruces. It's a valuable commercial timber. Its range extends from Alaska to northern California, but it faces unique problems along the Oregon Coast. This publication explores some of the insects and diseases that confront the tree in Oregon.

About the authors

Jim Reeb
Extension forester
Oregon State University

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