1990 Technical Specifications

Alcohol 13.9%
Grape Varieties 75% Zinfandel, 20% Petite Sirah, 5% Carignan
Region Howell Mountain
Production Details Fruit from a few remaining nineteenth-century vines formed the core, complemented by younger Petite Sirah and Zinfandel, followed by aging in small cooperage. The stated approach also included submerged-cap fermentation, racking for clarity, and filtering only when necessary for stability.
Tasting Notes Concentrated fruit and spice with firm tannins.

1988 Technical Specifications

Alcohol 13.1%
Grape Varieties 75% Zinfandel, 25% Petite Sirah
Drinking Window The June 1990 producer note recommended laying the wine down for four or five years to soften and develop.
Region Howell Mountain
Natural Yeast Yes
Production Details Century-old Zinfandel and Petite Sirah vines predominated, with younger-vine grapes included for vibrant fruit and more moderate tannins. The release page describes natural-yeast use, racking for clarity, and filtering only when necessary for stability.
Tasting Notes Concentrated and deep, with very firm structure.

1986 Technical Specifications

Alcohol 13.7%
Grape Varieties 76% Zinfandel, 14% Petite Sirah, 10% Carignane
Drinking Window The May 1988 producer note anticipated further development over the following eight to ten years.
Region Howell Mountain
Natural Yeast Yes
Production Details The oldest vineyard blocks were selected for the Advanced Tasting Program release. The stated traditional approach used natural yeasts in extended, submerged-cap fermentations, aging in small oak cooperage, and careful racking at every transfer for clarity.
Tasting Notes Concentrated fruit; young and tannic, with fine balance.

1983 Technical Specifications

Alcohol 12.6%
Grape Varieties 78% Zinfandel, 19% Petite Sirah, 3% Carignane
Region Howell Mountain
Vine Age 100
Natural Yeast Yes
Production Details Grapes from the 100-year-old blocks were fermented separately for the Advanced Tasting Program release. The stated traditional approach included submerged-cap fermentation, natural wine yeasts, aging in small oak cooperage, and careful racking at every transfer for clarity.
Tasting Notes Typical intensity; distinctive and firmly structured.

Producer Information

Address
17100 Montebello Road, Cupertino, CA 95014-5435, USA
Phone
+1 408.867.3233
Owner
Private ownership (founding families)
Cellarmaster
John Olney (Head Winemaker & CEO)

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