Christmas Trees


The OSU Christmas tree program is based at the North Willamette Research and Extension Center in Clackamas county, the heart of Christmas tree production in Oregon. ​​​​​​ Christmas tree breeding, tree growth and culturing, Integrated Pest and Farm Management (IPM) are the main focus of the program.

PNW Weed Management Handbook

The latest information and reference material for weed control practices and herbicides used in Christmas tree production.


PNW Insect Management Handbook

Management information on all major Christmas tree pests.

PNW Plant Disease Management Handbook

Easy to use reference guide. Tip for using this guide: Enter "fir" into search field to find diseases related to all Christmas trees species.  

NWREC Seed Orchard Development

Grafting began in 2013 on the Noble fir Christmas tree seed orchard. This orchard was the first of 5 orchards to be developed for improved seed production at NWREC. The most recent addition is a Trojan fir orchard, which may be the first of its kind in the United States. Other seed orchards include: Turkish fir, Nordmann fir and Douglas-fir. 


                            News & Events                                  


Irrigation video

Featured in the Winter 2024 edition of the Christmas tree Lookout published by the PNWCTA . 

Drip Irrigation System for Field-Grown Christmas Tree Seedlings features Christmas tree grower Kirk Stroda explaining his method for keeping his seedling alive through the hot and dry summers in the PNW.

Upcoming Events

PNWCTA presents...

Summer Farm Tour

Save the date...June 14th, 15th 2024


Oregon State University Christmas tree specialist, Chal Landgren, is officially retired as of July 1, 2023.  We wish him the very best in his retirement! Read about Chal's long career with OSU Extension.

A special thanks to all that worked so hard advocating for the passage of HB 5025. It officially passed both the House and the Senate and will fund the Extension Christmas tree Specialist position. This is a great achievement!

Extension Christmas tree Specialist position Update:

The search is underway. A search committee is reviewing applicants for this position and will be interviewing this spring. 



Program Contacts

Featured Grower Resources

Developing Quality Christmas Trees in the Pacific Northwest

(PNW684) Chal Landgren. Guide to growing and culturing many common PNW Christmas tree species.

Christmas tree Nutrient Management Guide 

(EM 8856-E) Authored by several topic experts. Comprehensive guide to for Christmas tree growers in Oregon and Washington.

Weed and Vegetation Management Strategies in Christmas Trees 

(PNW625) Ed Peachey, Chal Landgren and Tim Miller. Complete weed guide and chemical information.

Christmas tree Seedling Sources (PDF)

Compiled list of PNW nurseries with contact information for conifer seedlings.

Analytical Laboratories Serving Oregon

(EM8677) Multiple authors. Informative publication on sampling your farm and labs available for use.  

Oregon Department of Agriculture-Christmas trees

Information regarding licensing and other regulations.

Pacific Northwest Christmas Tree Association (PNWCTA)

 Main Resource Page