Oregon Tilth – Organic Cannabis Growers Society Collective. Our goal is to teach and promote Organic growing methods; Create certification standards for Organic Cannabis growing methods, and to provide information to those who may be interested in Organic Cannabis Growing methods.

About Oregon Tilth

Oregon Tilth is a nonprofit organization supporting and promoting biologically sound and socially equitable agriculture through education, research, advocacy, and certification. Oregon Tilth advocates sustainable approaches to agricultural production systems and processing, handling and marketing.

Oregon Tilth’s purpose is to educate gardeners, farmers, legislators, and the general public about the need to develop and use sustainable growing practices that promote soil health, conserve natural resources, and prevent environmental degradation while producing a clean and healthful food supply for humanity.

Oregon Tilth 2009-2010 Annual Report

Oregon Tilth 2013 Annual Report

Oregon Tilth, Inc. is a 501 (c) (3) nonprofit organization that supports and promotes biologically sound and socially equitable agriculture through education, research, advocacy, and product certification.