COVID-19 Advisory. OSU Extension is here for you. We are limiting our onsite and in-person activities while continuing remote and virtual programming.

Chal Landgren

Christmas Tree Specialist

Contact Chal Landgren


Please answer this simple math question. We use it to help prevent SPAM entries from bots. Thank you!

5 + 7 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.


Program Focus Christmas tree breeding Tree growth and culturing Integrated Pest and Farm Management Chal has been growing Christmas trees since 1982 on his small family farm. The farm is on the 3rd crop rotation, second market cycle and is constantly engaged in answering new questions about growing trees. He has been with OSU since 1980 in Forestry/Administration roles and began at NWREC in 2008.

Content by Chal Landgren

Christmas tree update: A new leader control growth regulator just approved

Trying to control leader length on true fir Christmas trees (mainly noble and Nordmann fir) has been an obsession for me. Over the years I’ve experimented with different trimming time periods, cutting to different bud types, ...

Chal Landgren | Mar 2021 | Article

Christmas Tree Corner: 2031 Is Just Around the Corner

We are all anxious to have 2020 and Covid-19 and elections behind us. So, I wanted to get you all excited about the year 2031. That’s the year that a new Christmas tree progeny trial will reach harvest (evaluation) ...

Chal Landgren | Dec 2020 | Article

Cone Harvests and Fires

A week before our skies filled with smoke and the Oregon wildfires raged, we completed our 2020 noble fir cone harvest. Those four days of clear blue skies now seem like ancient history. The fires are also leaving behind ...

Chal Landgren, Judy Kowalski | Sep 2020 | Article

Breeding Christmas Trees

Oregon produces over 4.5 million Christmas trees. Chal Landgren researches Christmas trees in the Willamette Valley at the North Willamette Research and Extension Center. The goal isn’t to create picture-perfect Christmas trees. ...

Chal Landgren | Dec 2019 | Video

Report ID:
Report ID: