Northwest Berry and Grape Information Network - Oregon State University, University of Idaho, Washington State University and USDA-ARS information page.
NAFEX is a network of individuals throughout the United States and Canada devoted to the discovery, cultivation and appreciation of superior varieties of fruits and nuts.
Bob Dempel planted the Dempel Hopland vineyard and wine grape nursery in the picturesque Sanel Valley of Mendocino County, California over thirty years ago.
Wiederkehr Wine Cellars, Inc. is the oldest and largest winery and vineyard in mid-America. Located in Altus, Arkansas, Wiederkehr has produced fine wines since 1880, when Johann Andreas Wiederkehr emigrated from Switzerland.
Founded in 1976, the Sierra Grape Growers Association represents the farmers and their families who grow grapes in Nevada County, and adjoining Yuba and Placer Counties in California.