Colorado State University

Extension

Contact your local county Extension office through our County Office List.

Online Directory

Planttalk Colorado™ is sponsored by Colorado State University Extension, Denver Botanic gardens, and the Green Industries of Colorado. For additional information on gardening, see Plant Select^® and Extension Publications.

Trial Garden Winner Videos

Click here to see the complete Planttalk Colorado™ playlist.

2013 “Best of” Annuals

2013 “Best of” Perennials

2012 “Best of” Annuals

2012 “Best of” Perennials

2011 Best of Annuals

2011 Best of Perennials

2010 Trial Garden Winners

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About PlantTalk

Resource for Colorado residents to find research based gardening information for the diverse Colorado climate. Newcomers to Colorado will find specific information to successfully garden in Colorado's diverse climate and geography.

History

Dr. James Klett discusses the history of PlantTalk Colorado. Click here to view the history of PlantTalk Colorado.