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Colorado Master Gardener   arrow

Colorado Master GardenerSM

In Arapahoe County, a dedicated group of 75 to 80 Colorado Master GardenerSM (CMG) volunteers serve nearly 7,000 residents annually through answering questions and concerns regarding gardening.

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Ask a Colorado Master GardenerSM
Colorado Master Gardener volunteers are available to answer telephone calls throughout the year and to assist walk-in clients during the growing season (April through September). Professional horticulture staff also available in the office year-round. Contact us at 303-730-1920, by email, or visit us for help with:

  • Insect identification and diagnosis
  • Plant identification and diagnosis
  • General garden and yard information
  • Solving environmental garden and landscape plant problems
  • Household insect pests of food and clothing

Become a Colorado Master GardenerSM
Become a volunteer to assist residents with questions on garden and landscape care.

Colorado Master GardenerSMLogin
Current volunteers can report service hours and sign up for continuing education and other events.


Learn more about the Colorado Master GardenerSM Program.


Featured Outreach Projects

Horticultural Therapy at Craig Hospital and Colorado Center for the Blind: CMG volunteers help patients and students with indoor and outdoor gardening projects.

Speakers’ Bureau: Volunteers present gardening topics to garden clubs, schools, civic organizations and other groups.

Demonstration Gardens: CMG Volunteers design and cultivate educational vegetable demonstration gardens at Hudson Gardens Events Center, Silo Park in Greenwood Village, and the Pea Patch in Littleton. All produce is donated to local food banks. Click on the Upcoming Events calendar (below) for dates to visit with CMG Volunteers in action at one of these gardens.

School Gardens: Volunteers mentor elementary, middle and high school students in vegetable gardens and interior horticulture projects.