University of Maryland Extension

Master Gardeners

NOTICE: MG Training class as was scheduled to begin on Wednesday 3/18, has been postponed.  Joyce, will let you know the future of the MG Training class in the weeks to come.


Our Vision: The Maryland Master Gardener vision is a healthier world through environmental stewardship.

Our Mission: to support the University of Maryland Extension mission by educating residents about safe, effective and sustainable horticultural practices that build healthy gardens, landscapes, and communities.

Who we are: Master Gardeners are county residents who receive extensive horticulture training and commit to be volunteer partners by helping the university educate residents to be better gardeners and improve their environmental stewardship.

What we do: We assist county residents with home gardening and landscaping through several approaches:

Classes and workshops are presented on a variety of gardening and lawn care issues such as growing vegetables, canning, Bay-Wise landscaping, composting and fertilizing.

Technical assistance is available from our horticulture specialist for diagnosing home and landscape pest problems including weeds, insects and recommendations for healthy landscapes using native plantings.

Want to become a Harford County Master Gardener?

Open Registration for the Harford County Master Gardeners 2020 Training Program at the Harford County Extension Office, 3525 Conowingo Rd, Street, MD. Class Cost $250.00, which includes course handbook and materials.  Class will be held once week on Wednesdays from March 18 to June 17 from 12:30 – 4 pm.  

If you are interested in being considered as a candidate and would like to schedule an interview date, please contact Joyce Browning, Harford County Master Gardener Coordinator, at or 410-638-3255. Please provide your name, address and phone number. Inquiry HCMG Training March 2020 form.

The Master Gardener program is an extension of the University of Maryland and actively subscribes to a policy of equal employment opportunity and will not discriminate against any employee or applicant because of race, age, sex, color, sexual orientation, physical or mental disability, religion, ancestry or national origin, marital status, genetic information, political affiliation, and gender identity or expression. The application process includes the following: interview, UME Application, Appointment Agreement and three character references.  Each year twenty candidates are accepted into the program.

To become a Certified Master Gardener, the trainee must complete the course requirements followed by 40 hours of volunteer service. Trainees serve their forty volunteer hours at seasonal gardening events along with other Master Gardeners. Trainees have 1 year to become certified.  

If you have questions about what type of volunteer work will be required, as you work to achieve a position as a Harford County Master Gardener please call. It is important that applicants become familiar with the Harford County program expectations prior to the class. More information can be found at the University of MD website .We look forward to hearing from you.

For more information, contact:

Joyce Browning

University of Maryland Extension Consumer Horticulturist
Harford County Agricultural Center
University of Maryland Extension, Suite 600
3525 Conowingo Road,
Street MD, 21154 sends e-mail)
410-638-3053 FAX


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