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Tri River Area CSU Extension - To provide information, education and to encourage the application of research-based knowledge to the communities of Delta, Mesa, Montrose, and Ouray Counties.


The Colorado State University Extension Tri-River Area Horticulture Program extends research-based information about plant-related concerns to home gardeners, the Green Industry (nurseries, sod farms, lawn care companies, arborists, etc.), commercial vegetable producers, government entities, and other community members and agencies in Mesa, Delta, Montrose, and Ouray Counties.

Major horticulture program areas and educational activities include but are not limited to:

  • Insect and plant disease diagnosis
  • Master Gardener program
  • Workshops for ‘Green Industry Professionals’ and backyard gardeners
  • Expertise regarding sod farms, pesticide application, commercial nursery production, greenhouse crop production and vegetable crops.
  • Soil and water testing for soluble salts and related soils information.

In addition to our program areas we also invite you to visit the Ute Ethno-botanical Learning Garden. The two and a half acre Ute Learning Garden features native plants that were used by the Utes on their annual migrations. 

Sign up to receive updates on Horticulture & Natural Resources Programming and News from CSU Extension, Tri-River Area.

Contact the Extension Area Specialist

Mollie Freilicher, Area Specialist, Residential Horticulture & Natural Resources

Phone: 970-244-1834

Jeff Pieper, Area Specialist, Commercial Horticulture & Natural Resources

Email: jeff.pieper@colostate.eduPhone: 970-244-1834

COVID-19 Impact

CSU Extension is closely monitoring and following COVID-19 (Coronavirus) guidance as outlined by public health experts. Our office hours and availability vary by location, please see the Contact Us page for up-to-date office hours or to contact an Agent in your area.