Master Gardener Online Training

Train online to be a Missouri Master Gardener

Enjoy planting and watching things grow?

Feel best when you have dirt under your fingernails?

Like to share knowledge with people in your community?

The online Master Gardener Training program could be for you!

Watch this short video to learn more


Choose to become certified or learn for your own enjoyment.

  • Become a certified Master Gardener: $175

To be a certified Master Gardener, you must serve a minimum of 30 volunteer hours where you apply the concepts learned in the online training course.

  • Learn for personal enrichment only: $325

Enhance your gardening knowledge and develop new skills. No certification. No volunteer hours.

Course fee includes textbook, online presentations and a weekly discussion forum.


For information on course refunds, please see the noncredit courses refund policy.


2019 courses

The registration deadline for the next session is January 11, 2019. Online classes begin January 20, 2019.

Each session of the online program lasts 14 weeks. You have the flexibility to learn each week's lesson at a time convenient for you.

Register for online Master Gardener training

Register for Horticulture for the Homeownerfor personal enrichment only

“I appreciate the option to take this course online. Working full-time, commuting and traveling with my job makes taking a campus-based program impossible.”
2014 Spring Semester Student

“This course covered a lot of information in a clear and understandable way. A variety of learning modalities and experiences were offered — including videos.”
2014 Spring Semester Student

Learn more about the Master Gardener program at