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We produce four distinct estate Cabernet Sauvignons grown and produced from Winfield Vineyard in the Calistoga sub-appellation.

The Grade Winfield wine label
The Grade
First Vintage 2004

Flagship blend known as “THE GRADE | Winfield Vineyard” is a variable blend of Blocks 1,4 & 5. Wines aged in French Oak – 65% new.  Production is typically 500 cases.

Serpent's Back wine label
Serpent’s Back
First Vintage 2015

Wine is 100% Block 4 fruit “best barrels”. Created exclusively for Club Members. Blend expresses valley floor loam. Wines aged in 75% new French Oak.  Production typically 50-100 cases.

Kingly Project wine label
Kingly Project
First Vintage 2012

Wine is 100% Block 5 fruit “best barrels”. Its dark fruit “reminiscent of a moonless night” (Robert Parker). Aged in 90% new premium French Oak. Production typically 100-125 cases.

Half Heaven wine label
Half Heaven
First Vintage 2019

A 100% estate blend that shows unique seasonal characteristics not selected for our established labels and representing a special value. Aged in 100% French Oak. Production varies.

Block Source map

Block Sourcing

Block 1

Clone CS7 on 110R rootstock
Soils are Cobbly Loam
Vine spacing is 6 x 8
Vines are cane-pruned

Block 4

Clone CS337 on 101-14 rootstock
Soils are Gravelly Loam
Vine spacing is 6 x 8
Vines are cane-pruned

Block 5

Clone CS337 on SO4 rootstock
Soils are Gravelly Clay Loam
Vine spacing is 6 x 8
Vines are cane-pruned

Winemaking Style

Our winemaking style is influenced by Thomas Brown’s intuitive instincts – his ability to read a vineyard, to translate a great site into a great wine, to know what a young Cabernet Sauvignon needs in barrel.

Thomas works meticulously. The Cabs shine because the process is natural – no enzymes, flavor or color enhancements, no reverse osmosis or spinning cones. The focus is on the wine as it comes from the vineyard.

A primary concern is tannin management by aiming to avoid overly aggressive or heavy-handed wines and instead seeking plusher textures. Ours is a popular wine style that is imminently approachable and that is enhanced by, but not dependent on, cellaring wines for a decade or longer. The wines consistently express opulence, oak presence and textural harmony.

winemaking style