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Colorado State University Extension offices like the one in Jefferson County bring the research and resources of the university within easy reach to our community.

Horticulture Classes   arrow

Join us in our 2023 CSU Extension Gardening Webinars!

Extension Programs are available to all without discrimination. If you have a need for which you seek an accommodation, please notify the listed presenter and allow at least 14 days to provide the accommodations.


STEP into these Trees

Wednesday, September 13, 12pm-1pm MT

Instructors: Amy Lentz, Weld County Extension, and Alison O’Connor, Larimer County Extension

Registration required

Plants that will Kill You!

Wednesday, October 11, 12pm-1pm MT

Instructor: John Murgel, Douglas County Extension

Registration Required

A Gardening Year-in-Review

Wednesday, November 8, 12pm-1pm MT

Instructor: Amy Lentz, Tony Koski, and Alison O’Connor, CSU Extension

Registration required

Fresh New Gardening Myths

Wednesday, December 13, 12pm-1pm MT

Instructor: Alison O’Connor, Larimer County Extension

Registration required

For recordings of past webinars, visit

Keeping ahead of COVID-19

This rapidly evolving coronavirus (COVID-19) has imposed an unsettling, fluid situation upon our community and its businesses. While the team here still aims to maintain a “business as usual” approach, we are making a number of significant changes to our operations to account for a situation that is far from normal.