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Welcome to the CSU Extension Office in Douglas County our goal is to assist you with any questions you may have whether it is about gardening, wildlife, 4-H or any other needs.
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Douglas County Master Gardeners provide useful information to help your gardening efforts all year long. Through the Douglas County Extension Office, trained volunteers are available to answer horticulture questions about vegetable gardening, flowers, trees, shrubs, lawns, pruning, watering, plant disease and diagnosis, insect problems, composting, and environmental concerns.

Volunteers are in! They are available from mid-March through September, 9:00 a.m. to 12:00 p.m. and 1:30 p.m. to 4:30 p.m., Monday through Friday to answer all of your gardening and home horticulture questions! You can stop by the office, call 720-733-6935, or email

Contact a Master Gardener  

Douglas County Master Gardeners are also available to give talks to community groups on a variety of gardening topics. We are available to speak on flower or vegetable gardening, landscaping, xeriscaping, houseplant care, turf management, insect and weed control, and other home horticulture subjects. The materials contained in presentations are the most up-to-date, research-based information from Colorado State University. Local Douglas County climate and garden conditions are also targeted.

Become a Master Gardener

Colorado County Master Gardener Enrollment

If you are a Douglas County resident interested in gardening, educational outreach, and volunteering this program may be a great fit for you! See details below and contact Katie Dunker or Andie Wommack at the CSU Extension Office if you have further questions. Our office hours are 8:30 a.m. to 12:30 p.m. and 1:30 p.m. to 5:00 p.m., Monday through Friday.

Applications to become a Colorado Master Gardener will be out in the fall. Keep an eye out around October to apply! Want a reminder? Contact Katie or Andie to get on our mailing list!

Enrollment Options and Class Information

Colorado Master Gardener Volunteer

The Colorado Master Gardening (CMG) training program requires a fall application and interview followed by winter and spring training classes. Tuition for CMG Volunteer training in 2018 was $170 plus a commitment to complete at least 50 hours of volunteer work the first year. If you’re interested in our 2019 program, check back in October of 2018 for an application form. Our 2018 program is complete.

As a volunteer, you’ll assist Douglas County Extension staff and fellow Colorado Master Gardeners in delivering research-based information about home gardening to Douglas County residents. To maintain your CMG status on a yearly basis, you’ll be required to pay nominal yearly dues and complete additional volunteer hours (typically 24 hours) and continuing education classes offered through CSU and the community.

Colorado Gardener Certificate Student

Individuals interested in completing Master Gardener training without a volunteer commitment may enroll for the coursework under the Colorado Gardener Certificate, CGC, enrollment option. The Colorado Gardener Certificate program requires a fall application followed by winter and spring training classes. Tuition without a volunteer commitment in 2018 was $530. Individuals who were not selected as CMG volunteers may enroll as Colorado Gardener Certificate students. If you’re interested in our 2019 program, check back in October of 2018 for an application form. Our 2018 program is complete.

CMG/CGC Certification

Students who are accepted into the Colorado Master Gardener program and complete the required volunteer commitment, become Colorado Master Gardeners. The title Colorado Master Gardener is a registered service mark of Colorado State University Extension. It is used to identify volunteers serving in official CSU Extension activities. It may not be used to infer credentials, imply endorsement of a private business, or used on marketing materials of a business. Students who choose the Colorado Gardener Certificate option will not become Colorado Master Gardeners upon completion of the training.

Colorado Master Gardener Volunteers and Colorado Gardener Certificate students both receive the Colorado Gardener Certificate, which may be displayed in a place of business and used in business marketing.

CMG/CGC Classes

As an accepted CMG/CGC student, you’ll complete a curriculum that includes ten weeks (60 hours) of classroom instruction. Classes are held January through April through a combination of in-person (weekday 9AM-4PM with a lunch break) and online classes. We anticipate five in-person classes and five online classes for the 2019 program. Some variations may occur in the basic schedule to accommodate local needs. Contact the Douglas County Extension office for specific details.

View Training Schedule

Master Gardener Resources

Course Date/TimeTopicAdditional Information
Online TrainingExtension Master Gardener (EMG) Social Media Training Site – Learn how to communicate through Social MediaLearn More
Online Training"Pesticides, People, and Pollinators: Answers to tricky pesticide questions for Master Gardeners" Watch Here
6/23/2018 2:00PM - 3:00PMUseful & Beautiful: Plant Select for Your Colorado Garden - TagawaLearn More
6/24/2018 12:00PM - 1:15PMHow to Kill a Tree - TagawaLearn More
6/24/2018 2:00PM - 3:00PMCombating Japanese Beetle - TagawaLearn More
7/14/2018 9:00AM - 11:00AMThe Denver Rose Society's Beetle Bash!Location: Littleton War Memorial Rose Garden

Learn More
7/14/2018 9:00AM - 11:00AMContainer Gardening Location: CALF

Cost: $5

Instructor: Ruth Berenbein

Register Now
7/14/2018 10:00AM - 12:00PMNative Plants for BirdsLocation: Audubon Nature Center at Chatfield

Cost: $15

Instructor: Irene Shonle

Register Now
7/25-27/2018 2018 State Colorado Master Gardener Conference Register Here
8/18/2018 9:00AM - 11:00AMPerennials for the Front RangeLocation: CALF

Cost: $5

Instructor: Beth Scott
Register Now

2018 Training Schedule