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 Certified Organic (OTCO) is an internationally recognized symbol of organic integrity. OTCO provides a system that combines strict production standards, on-site inspections, and legally binding contracts to protect the producers and buyers of organic products.

Click for Information on organic certification for your farm.

Contact Oregon Tilth

2525 SE 3rd Street
Corvallis, Oregon  97333
Phone: (503) 378-0690
Toll Free: 877- 378-0690
Fax: (541) 793-4924


Service Area

National Program

Office Locaters

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