Natural Resources

Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. Nurseries can help prevent the spread of Phytophthora by following some simple steps. Learn how to protect native plants from sudden oak death and other Phytophthora species. By: Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, Dave Shaw and Alicia Christiansen

This pub will walk you through how to correctly identify the diagnostic symptoms of sooty bark disease, a troubling, emerging pathogen spreading across Washington.

In this module, Jeff deGraan, Forestry Consultant, Cascade Woodland Design, discusses six principles of managing for aesthetics and enjoyment. Access to the modules is free, but registration is required. See below for registration information.

The emerald ash borer is an invasive, wood-boring beetle that causes nearly 100% mortality in infested ash trees: learn how to identify this pest and the latest management recommendations.

This publication is intended for Extension professionals, master gardeners, public agency personnel, tree care professionals, and those who are interested in an in-depth review of the current state of knowledge about EAB and the implications for potential damage and mitigation strategies in Washington State.

In this module, Washington State University Extension Forestry professor Kevin Zobrist provides a brief overview of some of the threatened and endangered wildlife species in Washington forests and some associated forest practices regulations. This module will help landowners preparing forest stewardship plans understand what might need to be addressed in the threatened and endangered species section of the plan. Access to the modules is free, but registration is required. See below for registration information.