Christmas trees

OSU Extension supports Oregon’s Christmas tree growers with research-based information on production, pest management and market trends. We offer tools, workshops and technical assistance to help growers maintain healthy trees and successful operations.

Identifying and managing Christmas tree diseases, pests and other problems

Learn to identify and treat diseases, pests, disorders and damage affecting Christmas trees in this guide for tree growers and field workers.

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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 Peer reviewed (Gray level)

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

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Christmas tree nutrient management guide for Western Oregon and Washington

Learn how to manage nutrients in Christmas tree fields with this detailed guide.

Covers fertilization strategies, soil and foliar testing and application methods throughout the crop cycle to improve tree growth, color and quality while minimizing environmental impact.

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Credit: Audrey Comerford (Cropped from original)

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Nursery and greenhouse

Cutting and selling trees

Tree care

Integrated pest management

Pesticide safety and education

Plant diseases

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?

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

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