Welcome to the East Bay Bonsai Society. A society dedicated to the living art of bonsai. Founded in 1961, the East Bay Bonsai Society plays a prominent role in promoting and supporting bonsai in the San Francisco East Bay. Explore the site to learn more about the club and the bonsai hobby. In partnership with the Bonsai Garden at Lake Merritt, we offer a free, introductory workshop on the fourth Sunday of each month at the Bonsai Garden in Oakland. Click here to sign up.