Your Guide to Organic, Biodynamic and Natural Wine



Coturri Winery

Harry “Red” Coturri purchased the property which would become Coturri Winery in 1961. It has always been farmed using sustainable methods, and in 1991 the vineyards were certified organic by the CCOF. Starting 2004, conversion to biodynamics is underway.In 1979, Coturri Winery was officially bonded and since then had been handcrafting limited production wines in small batches on the slopes of Sonoma Mountain. This year they are celebrating their silver anniversary as the first winery in California to take organic farming and winemaking to the limit. From the start it has been Coturri’s mission to create wines that are as pure and natural as possible. They use only naturally occuring yeats, no chemicals or perservatives such as sulfites are added, no acid adjustment, no water, and they do not filter their wines – in fact there is only one ingreident in Coturri wines – grapes.The result is wines that are rich and extracted, darkly colored, and ripe and fruity. America’s foremost wine critic said this about Coturri, “One of the richest, most intense, well-balanced Zinfandels I have ever tasted… super rich pure examples of their varietals. They are too interesting and provocative not to recommend.” – Robert M Parker, Jr.


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It takes a heart afire to nurture roots in rocky, sun-drenched soil through all forces of nature to a fruitful harvest. But to craft wines of uncommon character with a distinct sense of place commands the enthusiasm of an entire team devoted to a singular passion. At Benziger that team is a family, and their passion is Sonoma Mountain winegrowing.California’s Sonoma Valley is home to the Demeter-certified Benziger ranch, where the family is as attentive to the 30 acres of gardens, woodland, riparian areas, wetlands, cover crops and wildlife sanctuaries that comprise their 85-acre estate, as they are the 42 acres planted to winegrapes. The diversity of growing conditions on the Biodynamic ranch allows the Benzigers to micro-farm their vineyard for specific flavors. Each of the estate’s 29 blocks are picked, crushed and aged separately based on exposures, elevations, soil profiles, rootstocks and clones.Inspired by a deep and enduring reverence for the land, the Benzigers craft their certified Biodynamic wine Tribute from grapes nurtured on their family’s Sonoma Mountain estate. Winemaker Mike Benziger’s goal is a wine made from classic Bordeaux varieties that reveals a profound sense of place and the spirit of the winegrowing team.


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Bonterra Vineyards

The McNab Ranch is nestled in a steep valley in the rugged North Coast of Mendocino County, and began as a sheep ranch in the 1800’s. Today it is a showcase for biodynamic farming, and serves as a living laboratory for many of the research studies now underway to demonstrate both the impact and approaches needed to support the biodynamic way.There are 51 hectares of planted vineyards, featuring Merlot, Cabernet Sauvignon, Cabernet Franc, Malbec and Petite Sirah, alongside Chardonnay, all in carefully focused blocks surrounded by one of the most bio-diverse growing environments possible. The ranch has been certified by Demeter since 1996, and a new vineyard with 45 planted hectares in the hillsides overlooking McNab, known as the Butler Ranch, was certified by Demeter in 2003. Alan York lives at McNab Ranch, and has been a long time consultant for Bonterra Vineyards.The inaugural release of the Bonterra McNab Ranch Biodynamic wine is a blend of 70% Merlot, 15% Petite Sirah and 15% Cabernet Sauvignon. Bonterra Winemaker Bob Blue has crafted an opulent testament to biodynamism. Christian Le Sommer serves as consulting winemaker. It is certified Biodynamic by Demeter since 1996.As Monty Waldin notes in his new book “blending biodynamic wine with these two men is an education, but drinking it is even better.”


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