This publication is a guide for protecting, conserving, selecting, maintaining, removing, and replacing trees on development sites in the Pacific Northwest.
Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch ...
Paul T. Oester, David C. Shaw, Gregory M. Filip |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.