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The American Horticultural Society (AHS) is a nonprofit, membership-based organization that promotes American horticulture. It is headquartered at River Farm in Alexandria, Virginia.[1]
- ^ "AMERICAN HORTICULTURAL SOCIETY AT GEORGE WASHINGTON'S RIVER FARM". Virginia Is For Lovers. Virginia Tourism Corporation. Archived from the original on 28 January 2015. Retrieved 30 November 2014.