Recommendations:

• Christmas Tree Insect Control Recommendations for 2011 (pdf)
• Insecticides and Miticides for Christmas Trees (pdf)

Seasonal updates and advice:

• Plant and pest management advice for Christmas trees, landscape maintenance, nursery production, turfgrass, forestry, and the home environment -- at MSUE News for Ag.

Weather resources:

• Degree day information for insect pest management with state maps showing typical dates of degree day accumulation base 50.
• Weather data for making IPM and other management decisions at MSU's new Enviro-weather web site.

Scouting resources:

• Photos and descriptions for identifying weeds in Christmas trees

Featured resources:

• The Christmas Tree Pest Manual is a good resource for answers about insects, diseases or other problems of conifer trees. There is also a wealth of information on other tree-feeding insects and tree diseases available at this web site.
• MSU's Forestry and Christmas tree Area of Expertise Team homepages.
• Try the new search engine for MSU Christmas tree resources.
• Identify the natural enemies that offer you biological control.
• The Upper Peninsula Tree Improvement Center in Escanaba. Online classroom as well as information on the research conducted at this Experiment Station.
• MSU Forestry Department.
• Search all of MSU Extension Bulletins by topic or title.
• Michigan Ag Experiment Station research database. Current research underway at MSU.

Quick links to Michigan Department of Agriculture:

• Christmas tree inspection and certification.
• Pesticide applicator certification and pesticide laws/regulations.
• Nursery licensing and inspection.