OSU Extension Catalog

Growing Corkbark Fir and Subalpine Fir for Nursery Production

Explores the cultivation of corkbark fir and subalpine fir for use as landscape (corkbark fir only) or Christmas trees. Topics covered include site selection, seeding production, tree establishment and care, and pest management. Recommendations draw from research trials conducted at the University...

OSU Extension Catalog

Sudden Oak Death and Phytophthora ramorum: A Guide for Forest Managers, Christmas Tree Growers, and Forest Tree Nursery Operators in Oregon and Washington

Phytophthora ramorum (Sudden Oak Death) is a significant threat to forests and nurseries on the West Coast. This publication covers history of the disease pathogen, its distribution, and life cycle. Describes disease symptoms on forest trees and shrubs. Gives detection and eradication protocols,...

By Jay Pscheidt

OSU Extension Catalog

Developing Quality Christmas Trees in the Pacific Northwest

Each Christmas tree species requires special skill and specific knowledge to be grown successfully. This publication outlines how trees grow and the culturing practices necessary to develop the size, shape, and density of true fir, Douglas-fir, pine, and spruce Christmas trees so that they are...

By Chal Landgren

Online Resource

OSU Horticulture Resources on Nursery, Greenhouses, and Christmas Trees

Current research, news and information about nursery, greenhouse and Christmas trees