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Colorado Master Gardener   arrow

Colorado Master GardenerSM

In Arapahoe County, a dedicated group of 100 Colorado Master GardenerSM (CMG) volunteers serve nearly 7,000 residents annually by answering questions and providing diagnostic help in gardening.

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 October). 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
  • Environmental garden and landscape plant problems
  • Household insect pests of food and clothing

Become a Colorado Master GardenerSM
Become a volunteer to educate citizens on science-based solutions to garden and landscape care challenges.

Applications are currently closed for 2022, and will reopen in the fall for 2023. Please click here if you are interested in becoming a Master Gardener in Arapahoe County.

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.

Colorado Center for the Blind: CMG volunteers help patients and students with indoor and outdoor gardening projects to support curriculum in self-sufficiency.

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 Clayton Elementary School, Hudson Gardens Events Center, the Pea Patch in Littleton, the Plains Conservation Center in Aurora, and Silo Park in Greenwood Village. 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.

Lima Plaza Pollinator Garden: Volunteers educate the public on low-water, native, and pollinator-friendly plants in this new demonstration garden.

Demonstration Garden Locations