GSBF, Inc. is a non-profit 501(c) (3) educational organization which provides services and activities promoting the wonderful art of bonsai. GSBF is made up of member clubs in California and affiliate clubs in the adjoining States.

Its Annual Convention gives “bonsai people” an opportunity to watch bonsai masters at work; to participate in hands-on instructor led workshops; to shop for plants, tools, pots, and other materials at the bazaar; compete in various contests, and to share in the friendly companionship of other bonsai enthusiasts.