Do you want to learn more about plants and gardening?

Are you eager to participate in a practical and intensive training program?

Do you enjoy sharing your knowledge with others?

Do you have the time to attend training in-person or at your own pace online - and serve your community as a volunteer?

If you answered YES to these questions - then you are an ideal candidate to become an OSU Extension Master Gardener Volunteer!

The OSU Extension Master Gardener Program is a premier statewide network of volunteer education and leadership development; as well as a consumer horticulture education delivery system that maximizes human, material, and natural resources, and values teamwork and excellence in educational programming.

There are many exciting opportunities for continuing education and camaraderie and this has helped OSU Extension to develop a corps of dedicated volunteers. Volunteers are an important component of the OSU Extension system. The Master Gardeners' knowledge, experience and enthusiasm have become essential to Extension education of consumer horticulture in the state of Ohio. Please feel free to contact our office with any questions about our programs and services to the community. The formal training program is the responsibility of the Putnam County Extension professionals. Instructors are Ohio State University faculty, Extension Specialists, Extension Associates, experienced Master Gardeners, and other experts.
MG Class

The training program provides a balanced, integrated practical course in plant science. Core topics that are to be part of the training in every county are oriented to Extension and the Master Gardener Program:

  • Basic Botany
  • Plant Physiology
  • Soils and Soil Fertility
  • Basic Entomology
  • Basic Plant Pathology
  • Plant Disease Diagnosis
  • Integrated Pest Management (IPM)
  • Pesticide Use and Safety
  • Plant Identification
  • Home Lawn Care
  • Annuals
  • Perennials
  • Trees and Shrubs
  • Home Vegetable Production
  • Home Fruit Production
  • Backyard Wildlife Management
  • Organic Gardening
  • Herbs
  • Specials topics, based on local needs, may be part of the curriculum

Master Gardener Volunteer Commitment

The Master Gardener training course consists of a minimum of 40 hours of instruction. In addition your are required to complete 50 community volunteer hours following the initial instruction to be a certified Master Gardener. 

You must go though an online background check in order to become a Master Gardener Volunteer. The cost of the class is $150.00 plus the cost of the background check.

Our next Master Gardener training program in Putnam County has not been scheduled for 2025/2026. If you would like to be added to the contact list for the next class, please email or call the office!