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

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Master Gardeners enhance Colorado communities through outreach, education and environmental stewardship.

Master Gardener Application Information   arrow

Application Information

Applications to become a Colorado Master Gardener Volunteers are accepted once per year in August.

What to know before you apply:

Like all programs, we have a few things you should consider if you’d like to apply.

  • You must be at least 18 years old to apply.
  • If you’re accepted into a program, there are training fees your first year and dues ($25-35 in most counties) required every subsequent year.
  • We do offer financial need-based scholarships at a 50% reduced rate. Details are in the application.
  • Initial Colorado State Extension Master Gardener® training (called ‘Green School’) requires 80% minimum class completion, attending review sessions plus passing the final exam with 70% or better.
  • Your apprentice year requires 50 hours minimum volunteer time in your county/area by the end of the program year. Your training (Green School, offered online statewide) takes place November through March. Volunteer activities kick off in March/April and you’ll engage in volunteer activities coordinated through your county CSU Extension office through October 31st.
  • Our program does allow for a 2-year apprenticeship option, requiring 60 hours of volunteer service over a 2-year period and successful completion of all other requirements. This must be pre-approved by your local county staff.

What to know about the application:

What to expect after submitting your application:

  • Your local county program contact will be in touch after applications close.
  • Secondary screenings (interviews, reference checks) may be required locally. Volunteer interviews are used to assess commitment, strengths and interests each applicant will bring to the program.
  • Acceptance into a program is at the discretion of the local county staff.
  • All volunteers must pass a criminal background check. Background checks are initiated and tracked in your local county.
  • Now you can sit back, relax and follow us on Instagram @coloradomastergardeners

Colorado Master Gardener
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