Key Facts Avocado trees are native to the humid, sub-tropical and tropical regions of central and northern South America. They never go dormant.  Nearly 90% of avocado production in the United States takes place in California. Avocados are harvested by hand and start to ripen once they are picked from the tree. Commercial food safety practices for avocados have recently been strengthened due to the Food and Drug Administration (FDA) Avocado Surveillance Sampling Program. Foodborne illnesses associated with avocados are generally linked to processed avocados and avocado-containing products such as guacamole.   Introduction The avocado Read more