From the myth of collapsing root balls to the myth of compost tea - learn the facts about a range of tips you may have heard through the years about healthy soil, pretty mulch, and more.
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
This is a bilingual publication (English and Spanish) for landscape workers and the public to help them protect Oregon birch trees from this damaging pest. Includes insect identification, host plants, signs and ...
This publication is a guide for protecting, conserving, selecting, maintaining, removing, and replacing trees on development sites in the Pacific Northwest.
This book is published as both an interactive app designed for tablet devices and as a downloadable pdf. Both versions cover basic information on choosing a planting site, selecting the right species for the ...
Successful regeneration of forest stands often requires that crop trees be released from competing vegetation. This publication provides basic information on how to determine if release is necessary and methods for release.
Oregon ash grows along the streams and wetlands of western Oregon and Northern California, where it provides important wildlife habitat. But these trees are threatened by the emerald ash borer, an insect pest that...
David C. Shaw, Jay W. Pscheidt, Alexander Gorman |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)