The Douglas County Master Gardener™ Association (DCMGA), established in 1984, is a community-focused organization dedicated to promoting horticultural education and gardening best practices in Douglas County, Oregon. Founded under the guidance of key figures including Dr. Karl Carlson, the association has evolved over the decades, continually enhancing its offerings to serve local gardening enthusiasts.

DCMGA provides a variety of programs designed to engage and educate the community, including The Discovery Garden, The Victory Garden, a Plant Clinic, and Soil Testing services. Additionally, the association runs community education initiatives and operates nursery and greenhouse facilities that supply a range of plants and gardening resources. With membership that has grown significantly since its inception, DCMGA is committed to fostering gardening skills and knowledge while empowering residents to cultivate their own green spaces. The organization remains a vibrant part of the community, encouraging sustainable gardening practices and providing a platform for learning and collaboration among gardening lovers.