American Horticultural Society River Farm

River Farm serves as the headquarters of the American Horticultural Society (AHS) and is situated on 25 acres of landscaped lawns and gardens. River Farm is committed to open the eyes of all Americans to the vital connection between people and plants, to inspire all Americans to become responsible caretakers of the Earth, to celebrate America's diversity through the art and science of horticulture; and to lead this effort by sharing the Society's unique national resources with all Americans.open to the public from 9 am to 5 pm Monday through Friday, excluding national holidays. In addition, from early April through September 25 River Farm is open on Saturdays from 9 am to 1pm.