For more information here are some handy links:

The National Christmas Tree Association (NCTA) strives to be one voice representing Christmas Tree Professionals and promoting the use of Real Christmas Trees. More than 5,100 professionals support NCTA programs through membership; participation (through their state association) in the Tree Industry Partnership (TIP) Campaign and/or individual investments in the RealTree Promotion & Marketing Campaign.

Pacific Northwest Christmas Tree Association strives to bring together those involved in the Industry for their mutual and public benefit; to sponsor educational and public relations efforts, which will help develop public understanding of the industry; to promote, assist and engage in research of value to all members; to promote the production of high quality, marketable trees; to develop and expand the market for trees grown in the Pacific Northwest; to improve marketing procedures and provide support on both the wholesale and retail level; to practice environmental stewardship; to provide a unified force for the Pacific Northwest Christmas Tree Industry.