This concise publication gives useful information for homeowners, master gardeners, and professional landscapers about the boxwood blight disease: its symptoms, sanitation measures when it is discovered on a property, and preventive measures.
The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.
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 ...
Home landscaping is an important part of a community's resistance to wildfire. Learn what plants can help you create an attractive environment and reduce the risk of fire.
Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely |
Oct 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Discusses three major types of madrone diseases--foliage, branch dieback and trunk canker, and root--and ways to minimize and manage. Discusses insect pests of madrone: fall webworm, western tent caterpillar, aphids, and leaf miners. Color photos. Sources of further information.
Gives basic facts about a serious plant disease called Sudden Oak Death, caused by the pathogen Phytophthora ramorum. Describes risk of disease to forest health and to commercial nursery industry. Shows disease ...
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)