Welcome to the Yellowstone County Extension site! Look for upcoming workshops and events, as well as a variety of educational MontGuides, publications, and links to other MSU research based resources.

The Yellowstone County Extension office is your resource for:

  • Livestock and Cropping Questions
  • Noxious Weed ID and Recommendations
  • Plant ID and Disease Diagnosis
  • Pest/Rodent Questions

And provides services in:

  • Private Pesticide Applicator Licensing and Training
  • Forage Nitrate and Analysis Testing
  • Weed Seed Free Hay Certifications
  • On-site Consultations

For additional information or questions call 406-256-2828.


March 14-15- AgroClimate Workshop for Agricultural & Forestry Professionals and Partners

March 22- Initial Private Applicator Training

March 23- Yellowstone Co. MSU Extension Needs Assessment 

April 21- Urban Pesticide Education Tour