PlumpJack Winery
A Napa Valley boutique winery known for premium Cabernet Sauvignon and early adoption of screw-cap closures for fine wine.
Last updated August 24, 2026
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Overview
PlumpJack Winery, also known as PlumpJack Estate Winery, is a boutique Napa Valley wine producer based in Oakville, California. It is particularly associated with premium Cabernet Sauvignon made from Napa Valley grapes, while its portfolio also includes Chardonnay and smaller quantities of Merlot and Syrah. The winery operates within the broader PlumpJack Collection of Wineries, a group of wine businesses associated with the PlumpJack Group. The winery grew out of the PlumpJack business established in San Francisco in 1992 by entrepreneur Gavin Newsom and composer and philanthropist Gordon Getty. Their first venture was PlumpJack Wines, a wine store in the city's Fillmore neighborhood. During the following years, the wider group expanded into hospitality, adding a boutique hotel and three restaurants. In 1995, the founders established PlumpJack Estate Winery on a century-old, 47-acre vineyard in Oakville. The winery's production facility and tasting room were designed by Leavitt-Weaver, the firm also used for PlumpJack's restaurant and hotel projects. PlumpJack's identity is closely tied to its Napa Valley estate setting and to a willingness to challenge established wine conventions. Its name refers to Sir John Falstaff in Shakespeare's Henry IV, whose roguish character was associated with the nickname Plump Jack. Rather than presenting itself as a mass-market wine label, the winery has operated as a premium, estate-oriented producer focused on limited-production wines and the reputation of its Napa Valley fruit. The winery became especially notable for its use of Stelvin screw-cap closures on high-end wine. At the 2000 Napa Valley Wine Auction, general manager John Conover announced that half of the 150 cases of the 1997 Reserve Cabernet Sauvignon would be released under screw cap, while the remainder would retain traditional cork closures. The screw-cap bottles were priced at a premium despite skepticism from parts of the wine industry. The initiative made PlumpJack an early and highly visible advocate for alternative closures in fine wine. Bottles using the closure from successive vintages were also examined through research associated with the University of California, Davis Department of Viticulture and Enology. The brand's wines have received notable critical recognition. The 2001 PlumpJack Estate Cabernet Sauvignon was named Wine Enthusiast's 2004 Wine of the Year. The 2002 and 2004 Reserve Cabernet Sauvignon vintages received ratings in the publication's highest category from critic Robert Parker. Aaron Miller became head winemaker in 2012, and during his tenure the Reserve Cabernet Sauvignon received multiple perfect scores from prominent critics, including Robert Parker's Wine Advocate and Lisa Perrotti-Brown. PlumpJack Winery remains positioned as a premium Napa Valley estate winery rather than a broad beverage conglomerate. Its principal points of distinction are its Oakville vineyard origin, Cabernet Sauvignon focus, association with the PlumpJack hospitality group, and role in normalizing screw-cap experimentation for expensive wines.
History
PlumpJack Winery is part of the PlumpJack business created in San Francisco in 1992 by Gavin Newsom and Gordon Getty. The founders initially opened PlumpJack Wines, a wine store in the Fillmore neighborhood. The enterprise subsequently expanded into hospitality, adding a boutique hotel and three restaurants over approximately five years. In 1995, PlumpJack Estate Winery was established on a century-old, 47-acre vineyard in Oakville, within Napa Valley. The winery's facility and tasting room were designed by Leavitt-Weaver, an architectural and design firm also involved in PlumpJack's restaurant and hotel projects. The Oakville location became the foundation of the winery's estate-oriented identity and its emphasis on premium Napa Valley Cabernet Sauvignon. The name PlumpJack draws on Shakespeare's character Sir John Falstaff in Henry IV. Queen Elizabeth's nickname for Falstaff, Plump Jack, supplied the roguish and informal identity used across the wider PlumpJack enterprise. A defining moment in the winery's history came with its decision to experiment with Stelvin screw-cap closures on an expensive wine. In 2000, general manager John Conover announced that half of the 150 cases of the 1997 Reserve Cabernet Sauvignon would be bottled under screw cap, with the balance closed using cork. The screw-cap version was priced at $135 per bottle, or $10 more than the cork-closed version. The choice attracted skepticism because screw caps were still strongly associated by many consumers with inexpensive wine. PlumpJack's initiative therefore served as a prominent test of whether alternative closures could be accepted in the premium segment. The winery also supported analysis of screw-capped bottles from successive vintages through researchers in the University of California, Davis Department of Viticulture and Enology. PlumpJack's production has centered on Cabernet Sauvignon and Chardonnay from Napa Valley grapes, supplemented by smaller amounts of Merlot and Syrah. Its wines have earned significant critical attention. The 2001 Estate Cabernet Sauvignon received Wine Enthusiast's 2004 Wine of the Year designation, while the 2002 and 2004 Reserve Cabernet Sauvignon vintages received ratings in Robert Parker's highest category. Aaron Miller became head winemaker in 2012, and subsequent Reserve Cabernet Sauvignon releases during his tenure received multiple 100-point scores from critics including Robert Parker's Wine Advocate and Lisa Perrotti-Brown. The winery is one of four wineries operated by the PlumpJack Collection of Wineries. Its enduring market identity combines an Oakville estate location, limited-production premium wine, a particular focus on Cabernet Sauvignon, and a history of packaging experimentation that helped make screw caps more visible in the discussion of fine wine.
- 2012
Aaron Miller becomes head winemaker
[1]Aaron Miller assumes the role of head winemaker.
- 2004
Estate Cabernet Sauvignon receives Wine of the Year recognition
[1]Wine Enthusiast names the 2001 PlumpJack Estate Cabernet Sauvignon its Wine of the Year.
- 2000
Screw-cap release is publicly announced
[1]The winery announces the screw-cap allocation for its 1997 Reserve Cabernet Sauvignon at the Napa Valley Wine Auction.
- 1997
Reserve Cabernet Sauvignon screw-cap program begins
[1]PlumpJack begins using Stelvin screw caps on part of its Reserve Cabernet Sauvignon production, creating a comparison with cork-closed bottles.
- 1995
PlumpJack Estate Winery is founded in Oakville
[1]The winery is founded on a century-old, 47-acre vineyard in Napa Valley's Oakville area.
- 1992
PlumpJack Group is established
[1]Gavin Newsom and Gordon Getty establish the PlumpJack business and open PlumpJack Wines in San Francisco's Fillmore neighborhood.
Products and positioning
Premium, estate-oriented Napa Valley winery with a strong Cabernet Sauvignon focus and a reputation for innovation in fine-wine packaging.
Red wine
PlumpJack Estate Cabernet Sauvignon
The winery's core premium Cabernet Sauvignon offering, made from Napa Valley grapes and centered on the Oakville estate identity. The 2001 vintage received Wine Enthusiast's 2004 Wine of the Year recognition.
Reserve red wine · 1997
PlumpJack Reserve Cabernet Sauvignon
PlumpJack's flagship reserve Cabernet Sauvignon. The wine became closely associated with the winery's early screw-cap experiment and later received exceptional ratings, including multiple 100-point scores reported during Aaron Miller's tenure.
White wine
PlumpJack Chardonnay
A Chardonnay line made from Napa Valley grapes and included among the winery's principal varietal offerings.
Red wine
PlumpJack Merlot
A smaller-production Merlot offering within the winery's Napa Valley portfolio, complementing its Cabernet Sauvignon focus.
Red wine
PlumpJack Syrah
A smaller-production Syrah offering included in PlumpJack's varietal range alongside Cabernet Sauvignon, Chardonnay, and Merlot.
Brand decisions
2000
Adoption of screw caps for premium Reserve Cabernet SauvignonStrategyBackground
Fine wine was conventionally associated with cork, while screw caps were widely viewed as a closure for less expensive products. PlumpJack used the release as a test of consumer and trade acceptance in the premium segment.
Action taken
The winery designated half of the 150 cases of its 1997 Reserve Cabernet Sauvignon for Stelvin screw caps and retained cork for the other half. The screw-cap bottles were offered at a higher price.
Aftermath
The move made PlumpJack one of Napa Valley's most visible early adopters of screw caps for fine wine. Screw-capped bottles from successive vintages were also analyzed through University of California, Davis viticulture and enology researchers.
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