Washington Tilth Association

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Washington Tilth Association
FormationJuly 1, 1974
TypeNon-profit organization
PurposeUniting the community of people concerned with food, agriculture and the environment.
HeadquartersGreenbank, Washington
Region served
Washington State
Andrew Stout

The Washington Tilth Association (originally the Northwest Tilth Association) is an American nonprofit membership organization dedicated to supporting and advocating organic food and farming.


  • Pierce Tilth Association
  • Seattle Tilth
  • South Whidbey Tilth
  • Sno-Valley Tilth
  • Spokane Tilth
  • Tilth on the Willapa
  • Tilth Producers of Washington
  • Vashon Island Growers Assn. (VIGA)

See also[edit]


  • Sanders, Jeffery Craig (2010). Seattle and the Roots of Urban Sustainability: Inventing Ecotopia. University of Pittsburgh Press. ISBN 9780822962106. (review)
  • Selfa, T.; Jussaume, Jr., R.A. (2009). "Sustainable Foodscapes? Examining consumer attitudes and practices towards food and farming in Washington State, USA". In R. Fish, S. Seymour, M. Steven, C. Watkins. Sustainable Farmland Management: Transdiciplinary Approaches. CABI. pp. 107–121. ISBN 9781845933517.
  • Tilth (Association) (1982). The Future is Abundant: A Guide to Sustainable Agriculture. Tilth. ISBN 9780931380013.

Further reading[edit]

External links[edit]