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Christmas trees

Photo: Judy Kowalski (Cropped from original)

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Developing Quality Christmas Trees in the Pacific Northwest

By Chal G. Landgren

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 marketable.

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Photo: Judy Kowalski (Cropped from original)

Latest Resources

Harvesting evergreen boughs from your woodland

Harvest evergreen boughs from your woodland property to make holiday wreaths. Be sure to harvest sometime after the first hard frost, and use proper pruning techniques.

Alicia Christiansen | Dec 2024 | OSU Extension Catalog

Drip Irrigation System for Field-Grown Christmas Tree Seedlings (in English)

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 English)

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

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Weed and Vegetation Management Strategies in Christmas Trees

By Ed Peachey Chal G. Landgren and Timothy W. Miller

This publication offers an integrated approach to effective weed management in Christmas trees, incorporating diverse strategies and practices to keep weed populations off balance. It includes strategies for using prevention, mechanical means, cover crops and vegetated strips, flame weeding, and biological and chemical controls. Emphasis in chemical recommendations is on strategies to reduce herbicide resistance and protect surface and groundwater from pesticide loss.

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Photo: Judy Kowalski (Cropped from original)

In the News

OSU research keeps Oregon Christmas tree industry No. 1 in the nation

Each Christmas tree species requires special skill and specific knowledge to be grown successfully.

Priya Rajarapu | Jan 2025 | Impact story

Harvesting evergreen boughs from your woodland

Harvest evergreen boughs from your woodland property to make holiday wreaths. Be sure to harvest sometime after the first hard frost, and use proper pruning techniques.

Alicia Christiansen | Dec 2024 | OSU Extension Catalog

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

All News

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Meet Our Experts

Judy Kowalski
Bio Science Research Technician, Christmas Trees

Contact me for Christmas tree resources.

Marcelo Moretti
Associate Professor

Contact me with questions about weed management in commercial agriculture.

Priya Rajarapu
Christmas Tree Specialist
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Christmas tree recommendations?

P: 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!

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