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Contact Mark J. Platten for information on all classes and programs. Phone: 719-686-7961 or via email:

Gardening & Horticulture   arrow

          2009 Cripple Creek Greenhouse with Junior Master Gardeners

Colorado State University Extension Master Gardeners of Teller County

The Teller County Master Gardeners are gardeners from the local community who attend an 11-week training to hone their skills and then volunteer their knowledge and time back to the community in a variety of ways.

2022 Master Gardener Community Classes have been filled.

We will have six consecutive classes on Wednesday evenings from 5:30-7:30 starting March 23

  • Price is $7 per class or $35 for all six
  • Soils/fertilizers/mulch/water law
  • Seed starting and vegetables that grow here
  • Flowers and shrubs that grow here
  • Season extending techniques and greenhouses
  • High altitude beekeeping, pollinators, and pollinator plants
  • Tree planting, transplanting, and seedling tree planting

***** The classes are limited to the first 40 applicants and we’ve had waiting lists the past several years, so please get your registration in early to secure your spot.

We also have an Online Gardening Course for $40 that covers:

  • Soils, Fertilizers, and Mulch
  • Seed Starting
  • What Grows Here
  • Vegetables for Teller County
  • Trees and Shrubs for Teller County
  • Greenhouses and Season Extending Techniques
  • Controlling Wildlife in the Garden
  • Rock and Crevice Gardens
  • How to Properly Plant and Transplant Trees
  • 8 hours of video instruction and over 50 pdf fact sheets you can download
  • Take on your own schedule, at your own pace, starting wherever you want.

Click Here to Register for the Online Course

2020 Virtual Greenhouse and Garden Tour September 2020

In 2020 we conducted our annual greenhouse and garden tour virtually. You can click on the video links below that we broke up by general location. You will notice that several of the videos use general locations instead of exact addresses, this is to give the gardeners some privacy. If you have questions about any of what you saw on the videos, or would like to be on the tour next year, please email Marisa at

Because these are all YouTube videos, you may need to click the “back” button on your browser to get back to this page after each video has finished.

Ute Pass Area:

Woodland Park and Divide Areas:

Florissant and 11 Mile Areas:

Cripple Creek/Victor Areas:

Other Gardening Resources:

Sam’s Glass Bottle Greenhouse!

2. We’re at the Woodland Park Farmers’ Market every week sharing information and answering questions.

3. We write articles for the local papers and on our Facebook Page.

4. See the video below for more about what we do in Teller County.

Mountain Gardening Resources:

How to Build a Raised Bed Hoop Cover

Month-by-Month Gardening Book for Teller

This is a book that the Teller County Master Gardeners put together to help gardeners in Teller County know what they should be doing each month to give you the best shot at a successful garden.  The book is $20 and the proceeds go back to cover the cost of continuing education that the master gardeners are required to take each year.  Check out the link below for the Table of Contents and contact Mark at or 719-686-7961 to order a book.

Gardening Book Table of Contents

Gardening Blogs

Teller County Master Gardener Articles

CMGs at Woodland Park Farmers’ Market 2017

Learn about Becoming a Colorado Master Gardener (CMG):

The Colorado Master Gardener program is a unique intersection between University Horticulture expertise and community volunteers interested in educating locally.

Who are Colorado Master Gardeners (CMGs)?

We’re hands-on in educational school gardens, we’re helping grow food for local communities, and we’re passionate about pollinators. Some of us are tree-huggers, most of us are plant (and insect) lovers.

We all get that gardening here takes grit. Which is why we’re providing local expertise for Colorado’s diverse plants and people. We are Colorado Master Gardeners, powered by Colorado State University.

****Teller County only conducts master gardener training on even years.  The next application period will start the fall of 2021.  Please contact Mark J. Platten at for more information and to be put on the RSVP list.

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 have moved to working from home and conducting training using Zoom and YouTube and other social media sites that is far from normal. For all information on the coronavirus in Teller County, check out the link to the County below.