Becoming a Master Gardener Volunteer

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Thank you for your interest in becoming a Master Gardener for Texas A&M AgriLife Extension.

Master Gardeners are volunteers trained to assist the Texas A&M AgriLife Extension in reaching its mission to bring relevant, research-based information in horticulture to the public. Volunteers are members of the local community who are enthusiastic, willing to learn, and want to educate other residents of Harris County.

To be trained to become a Master Gardener Volunteer, you must first attend an Orientation. If selected, participants will be expected to complete the full training course and 60 Extension-approved service hours within 12 months.


Please see below for general information about the training class and what you can expect for future classes. If you would like to be notified about the 2023 training class, please add your name to the waiting list HERE.  The next training will be offered in late summer/early fall 2023.

2022 Fall Volunteer Training Information 

When:             August 25th – November 10th
                           Every Thursday from 8:30am to 3:00pm

Cost                $275 (includes training book and class)
                           $470 for couples sharing a book

Where:           Harris County Texas A&M AgriLife Extension or Online
                          13105 Northwest Freeway, Houston 77040
                          *Plan for in-person class or online from home


Thank you for your interest in our program.  There is a required Orientation. That is where we will discuss the program, expectations, and offer applications. As a reminder, our intent is to train members of the public that would like to be volunteers. If you are looking for educational classes for other reasons, we have many to offer and encourage to check out our Home Grown Lecture Series and Green Thumb Gardening Series.


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