Find Forest Health Help
For sick forest trees, contact a DNR forest health specialist or forester. For sick ornamental or urban trees, contact a certified arborist or your county UW-Extension Office.
Forest health news
Publications
- Review forest health publications
- Wisconsin DNR Forest Health 2020 Annual Report [PDF]
- To access archived regional and annual reports dating back to 1951, contact your regional forest health specialist.
Sick tree diagnostics
- What's Wrong With My Deciduous Tree? [exit DNR] – University of Minnesota
- What's Wrong With My Conifer? [exit DNR] – UM.
- Plant Disease Diagnostics Clinic [exit DNR] – University of Wisconsin-Madison
Insect identification
- What Insect is This? [exit DNR] - U. of Minnesota
- UW-Madison Insect Identification [exit DNR]
- BugGuide.Net [exit DNR]