Industry
- Pacific Northwest Christmas Tree Association-PNWCTA
- National Christmas Tree Association-NCTA
- Real Christmas Tree Board
- Oregon Association of Nurseries-OAN
- Oregon Department of Agriculture-Nursery and Christmas trees
Publications
- OSU Extension Catalog-Christmas Trees
- OAN Digger Magazine-Growing Knowledge
- NE Christmas Tree Pest Manual (PDF)
- Seedlings and Seed Sources (PDF)
Pesticides Safety
- OSU-Pesticide Safety Education Program
- National Pesticide Information Center-NPIC
- Environmental Protection Agency-EPA
- Occupational Safety and Health Administration-OSHA
Pests
Drip Irrigation System for Field-Grown Christmas Tree Seedlings
A special "Thank You" to grower Kirk Stroda for sharing his knowledge!
Beneficial Insects/IPM
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Oregon Native Plants-OSU Extension Publication
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Evergreen Growers Supply-Supplier of Beneficial Insects
Labs
Other Resources
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.
Twig weevil damage and management &
Megastigmus larvae management in conifer seeds.( PDF)
Featured presentation at PNWCTA Short Course 2024.
Whitney, Thomas D., Chastagner, Gary. Feb 2024. Twig weevil damage and management &
Megastigmus larvae management in conifer seeds. The Pacific Northwest Christmas Tree
Association Annual Short Course, Portland, OR.
Mapping your Christmas tree farm using Google Earth Pro
2021 Heat Dome Information
Tree December 8th, 2021: Oregon Capital Chronicle features an article about the Heat Dome effects on Christmas trees.
December 15th, 2021:Tom Norby, of Trout Creek Farm in Corbett, interviewed for ABC's Good Morning America and discusses the extreme heat of last summer and the Christmas tree industry in Oregon.
December 19th, 2023: "How the Heat Dome Stole Christmas" by reporter Jeva Lange of Heatmap News, a new climate-focused website.