Category History, distribution and uses Subject Nursery trees/seeds Title Ad for Mathers' Avocado Nursery Description Ad for Mathers' Avocado Nursery located in Pasadena, CA. Taken from the California Avocado Association 1918 Annual Report. Location California Date 1918 Source California Avocado Association Annual Report Larger Picture 660 x 1155 (49 kb)