Fetzer Vineyards is a vineyard owner and winery in Mendocino County in the North Coast AVA of California. It was founded by the Fetzer family. It owns the Bonterra organic brand as well as three Biodynamic ranches called Blue Heron, Butler and McNab. Bonterra came about after a five-acre organic-Biodynamic kitchen garden established in 1985 was a success.