The purpose of the CLCA Auxiliary is to support the California Landscape Contractors Association, promote friendship and goodwill, and award scholarships to deserving horticultural students through the Landscape Educational Advancement Foundation (LEAF). The CLCA Auxiliary also presents the Humanitarian Trophy Award and the Knight of the Garter Award.
The Auxiliary is governed by the state Board of Directors. The General Council is the supreme governing body of the CLCA Auxiliary and consists of all the members who are present at the annual general membership meeting. Conduct and procedures of the General Council are governed by the bylaws of the Auxiliary.