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.


January 27th- Billings Chamber of Commerce Ag. Appreciation Banquet

February 7-9th- Soil Health Symposium

February 8th- South Central Winter Ag. Tour 

February 16-18- The MATE Show

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

March 22- Initial Private Applicator Training