University of Maryland Extension

How Do I Become A Master Gardener?

Applications for the January 2019 UME Baltimore City Master Gardener Basic Training are Closed. Thank you for your interest, the next class will be in January of 2020.

Applications for the Winter 2020 class will be accepted in the fall of 2019, please come back to this page in September to download the application for 2020.


Completed applications include :

    1. 2019 UME MG Volunteer Application (Click Here to Download Application)
    2. 2019 Questionnaire for the Applicants (Click Here to Download Questionnaire)
    3. Two (2) letters of reference with contact information; these can be from 2 of the 3 references you list on your UME MG Volunteer Application.

(Downloads may require Acrobat Reader or Microsoft Word)

Email, mail, or drop off completed applications in ONE envelope by October 14th, 2018:                                 

University of Maryland Extension, Baltimore City
6615 Reisterstown Road, Suite 201
Baltimore, MD 21215
Attn.: Erin Mellenthin
Phone: (410) 856-1850 ext. 121



A few things to consider: 

  1. Class Schedule:  Evening classes from 6:00pm to 8:45pm every Thursday night plus some Tuesday nights, and a few Saturday mornings from late January to the end of April each year. 75% attendance is required to pass the class.
  2. Location: Classes will be held at two locations the University of Maryland Extension (UME) Baltimore City office, 6615 Reisterstown Road suite 201, and at the Cylburn Arboretum, 4915 Greenspring Avenue, Baltimore, MD 21215 
  3. When: Classes typically run from late January to late April, Thursday and some Tuesday evenings 6-9pm.
  4. Cost: A $250 fee covers the Master Gardener handbook and course related materials. Full payment is due by the first day of class.  Scholarships may be negotiated and awarded. Please contact UME BCMG Coordinator, Erin Mellenthin for more information.
  5. Volunteering is the main focus of the Master Gardener Program. In your first year as a Master Gardener Intern you are asked to complete 40 hours of volunteer work.  In subsequent work to remain an Active Master Gardener, you will be asked to log 20 hours of approved volunteer work, and 10 hours of continuing education. Certifcation lapses after 3 years of inactivity as a volunteer.

Admission to the program is competitive and space is limited. 

Tips while enrolled for the Training Course and Becoming a Certified Master Gardener:

  • Attendance policies will be explained the first day of class. 
  • Please be on time to all classes. If you will be late or must miss a class, please notifiy the Master Gardener Coordinator.
  • A  final exam with a passing score of 75% is required to move from being a Master Gardener Trainee to a Master Gardener Intern.
  •  In this first year as a Master Gardener Intern, you are asked to complete 40 hours of volunteer work to become a Certified Master Gardener.  In subsequent work to remain an Active Master Gardener, you will be asked to log 20 hours of approved volunteer work, and 10 hours of continuing education.There will be a variety of opportunities throughout the year to fulfill all your volunteer hours. These are communicated via email and can be found on our internal websites.
  • Please read the Master Gardener State Guidelines and Policies here: MG Policies and Guidelines
  • Volunteer hours and must be completed and logged by December 14th annually to get certified and keep that certification Active.

If you have any questions, please feel free to send them to the Baltimore City Master Gardener Coordinator, Erin Mellenthin, at the e-mail address above.

We welcome and invite your participation in our program. 

Apply and this could be you!!!!

The University of Maryland, College of Agriculture and Natural Resources programs are open to all and will not discriminate against anyone because of race, age, sex, color, sexual orientation, physical or mental disability, religion, ancestry, or national origin, marital status, genetic information, or political affiliation, or gender identity and expression. 

Los programas del Colegio de Agricultura y Recursos Naturales de la Universidad de Maryland están abiertos a todos y no discriminará contra nadie debido a raza, edad, sexo, color, orientación sexual, discapacidad física o mental, religión, descendencia, origen nacional, estatus matrimonial, información genética, afiliación política, o identificación y expresión de género.

For more information, contact Erin Mellenthin, Master Gardener Coordinator
Last updated: 9/08/2017

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