St. Charles County

A flower garden with a path and archway.

Demonstration gardens

The St. Charles County Master Gardeners have demonstration gardens, classes and more.

Learn more

Klondike Lake in Augusta


See the resources module below to find events, publications and more.

  • Job Openings

    • MU Extension has several job openings around Missouri as we extend our support network for counties.
      View openings near you.
Missouri map with St. Charles county highlighted

We bring Mizzou to you.

Through a network of county offices, the University of Missouri solves problems and engages with communities across all 114 counties and the City of St. Louis.

MU faculty, staff and elected council members, who live in your community, work with you to identify local interests and issues and then offer relevant programming and resources to meet the unique needs of you and your community.

Our job is to partner with communities to find solutions with credible, science-based information that will help you:

  • Grow safe and healthy food
  • Build and grow profitable businesses
  • Improve your health and relationships
  • Increase agricultural production
  • Update professional training in business, health and safety
  • Engage youth as valued, contributing citizens 

Explore the MU Extension website and your county page to discover how MU Extension can enhance your life.

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    Subscribe to the MU Extension in St. Charles newsletter

    Sign up for this quarterly newsletter to receive timely, research-based information about events and resources important to the people in St. Charles County.

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    Subscribe to the Nutrition and Health newsletter

    Sign up to receive Nutrition and Health, a monthly newsletter with information about nutrition and health topics, highlights of programs, and information about events in your area.

    View previous issues.

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Contact us

MU Extension in St. Charles County
260 Brown Road
St. Peters, MO 63376

Office hours:

8 a.m. to 4:30 p.m., Monday through Friday


Mid Rivers Mall Drive overpass at Hwy 70 is a new diverging diamond interchange; be watchful of lanes and signage.