Commercial Fertilizer Dealers

​​​​​To distribute fertilizer products in Wisconsin:

  • You will need an annual license, valid October 1-September 30​.
  • You must submit an annual tonnage report and pay tonnage fees of $0.62/ton on fertilizer distributed in Wisconsin July 1, 2019-June 30, 2020, and $0.45/ton on soil and plant additives distributed in Wisconsin July 1, 2019-June 30, 2020​.

Current license holders receive renewal packets by mail, along with forms to report tonnage. New applicants can download application materials here. (See box at right)

Non-Agricultural and Special-Use Fertilizer Permits

If you distribute low-analysis fertilizers, you will need either a non-agricultural or special-use permit. Low-analysis fertilizers have less than 24 percent N-P-K. These permits remain in effect until you change the product's label or formulation.

  • Non-agricultural fertilizers are used on gardens, lawns, golf courses, greenhouses and nurseries and other non-farm uses, and for research.
  • Special-use fertilizers are for product labeled for remedying nutrient deficiencies unique to certain crops or local areas

Organizations Providing Fer​tilizer-Related Resources

​Cooperative Network 

Wisconsin Agri-Business Association

Association of American Plant Food Control Officials

The Fertilizer Institute

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