Contacts and Links

For assistance in identifying garlic mustard

Plants may be mailed or dropped off at MSU Diagnostic Services. Sampling and submittal instructions can be obtained from the website or by phone at 517-355-4536.

For local advice in Michigan

Michigan residents can also visit the Gardening in Michigan website and type a question into the Ask an Expert box to get an email response, or call the hotline at 1-888-678-3464

Please note if you are not from Michigan, you may want to contact your local Extension Service. Climate, laws and regulations, as well as pest management practices vary throughout the United States.

Questions about this web site

This web site is maintained by Joy Neumann Landis. Please send comments and questions about this site to

A wildflower grows in a Michigan woods.
Photo credit: Douglas A. Landis.

Additional links for more information

Information prepared by: Doug Landis, Jeff Evans, Department of Entomology, Michigan State University. Funding support: Michigan Department of Agriculture and Rural DevelopmentPesticide and Plant Pest Management Division, AgBioResearch, and MSU Extension.