County Ag Inspector Information

Minnesota Noxious Weed Law

Spotted knapweed and a seedhead weevil

Minnesota Noxious Weed Law

Minnesota's Noxious Weed Law requires landowners to manage their property for noxious weeds. The list of noxious weeds can be found here.

There are three levels of control:

  1. Eradicate List: these species must be killed both above ground (foliage) and below ground (roots). This is the highest level of control.
  2. Control List: these species must be controlled to prevent the maturation and spread of propagating parts (e.g. seeds, roots).
  3. Restricted List: these species may not be sold, intentionally transported, or planted in Minnesota.

Each county also has the ability to add species to these lists on a case-by-case basis.

A guide to removing noxious weeds can be found here: Guide to Removal and Disposal of Noxious Weeds in Minnesota

Resources for Local Weed Inspectors

Resources for Local Weed Inspectors

Here is some information for our local weed inspectors (LWIs). Please note that the Soil & Water Conservation District offers annual training for LWI's and we are more than happy to answer any questions you may have.

Here are some resources that you might find useful:

County Noxious Weed Inspection Report

Minnesota Department of Transportation Noxious Weed Handbook (download)

Weed Notice Letter Template

Weed Resources

Weed Resources

Below is a selected list of common invasive species in our area. Check the Noxious Weed List to see if they are eradicate, control, or restricted species. Click on the brochure to find identification information, the ecological threat posed by the species, and control methods.

Find more information on herbicides and the pesticide applicators license here.

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