Production Information and Manuals
by Iowa State University extension
by Clemson University department of forestry and natural resources
The Bugwood Network and The University of Georgia
Ministry of Agriculture, Food and Rural Affairs
by North Carolina State University extension
National Ag Safety Database (NASD) and the University of Maine cooperative extension
Informational sheets discussing various aspects of christmas tree production and marketing. by North Carolina State University Cooperative Extension
Ohio State University Extension, Bulletin 670
USDA and Michigan State University Extension
For North Carolina (Piedmont and Coastal Plains)
For Pennsylvania
