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Drip Irrigation System for Field-Grown Christmas Tree Seedlings

Kirk Stroda, a seasoned 5th-generation Oregon Christmas Tree farmer, reveals groundbreaking irrigation methods for keeping newly-planted seedlings alive amid harsh heat waves and drought conditions on a farm without direct water access....

Feb 2024 | Video

Episode 28: Christmas Trees

In this episode, Jacob Putney and Chal Landgren discuss the history and science behind growing Christmas trees in Oregon. Landgren is the former OSU Extension Christmas Tree Specialist.

Jacob Putney, Chal Landgren | Dec 2022 | Podcast episode

Drought hinders popular noble Christmas trees

Growers and Oregon State University continuously look at novel ways to improve first year planting success.

Dec 13, 2022 | News story

Christmas tree recommendations?

Q: We buy live Christmas trees and then plant them as a family tradition. I'm recommending the practice to others, and thought it a good idea to have a list of recommended varieties. Could we work up a short list of conifer candidates that are native to Oregon? Thank you!

A: View answer | View all featured questions

OSU Christmas tree program

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. The program is lead by Chal Landgren, a longtime forestry extension agent and Christmas tree grower. His program focuses on assisting growers with information essential to their success as Christmas tree producers.

Oct 2022 | Online resource

Christmas tree experimenting: what’s new and what stays the same after 40 years

This class will look at current events impacting Christmas tree growers, such as the June heat dome and summer drought. Next we will take a bit of a walk-through time and review some of the results from research trials ...

Chal Landgren, Judy Kowalski | Dec 2021 | Video

‘Trees to Know’ guidebook helps identify Christmas trees

Make it fun by challenging everyone to find each of the most common Christmas trees: Douglas-fir, noble fir and grand fir.

Kym Pokorny | Dec 3, 2021 | News story

Historic heatwave offers lessons for Christmas tree growers

Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.

Judy Kowalski | Oct 2021 | Article

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 ...

Chal Landgren | Sep 2021 | Extension Catalog publication Peer reviewed (Orange level)

How to promote beneficial insects on Christmas tree farms

Introducing beneficial insects to Christmas tree farms as part of an integrated pest management program may seem overwhelming. Where to begin? First step: Create habitat that attracts and sustains the beneficial insects.

Judy Kowalski | Jun 2021 | Article