These individuals pass on the information they learned during their training, as volunteers who advise and educate the public on gardening and horticulture.
The first Master Gardener program was founded in 1973 by Dr. David Gibby of Washington State University Cooperative Extension in the greater Tacoma area to meet a high demand for urban horticulture and gardening advice.
Canadian Master Gardener groups have different organizational structures, including incorporation as a charitable non-profit (Ontario) and universities (Saskatchewan).
[5] Once volunteers are accepted into a Master Gardener program, they are trained by cooperative extension, university, and local industry specialists in subjects such as taxonomy, plant pathology, soil health, entomology, cultural growing requirements, sustainable gardening, nuisance wildlife management, and integrated pest management.
[6][7][8] Awards are regularly presented to master gardeners for community service, innovative programs, and other topics.