I first sat down with winemaker Chris Phelps almost two years ago, diving into his remarkable journey. Having worked at the likes of Dominus, Caymus and Inglenook, it was chance – or maybe fate – that led him to establish his own wine label, Ad Vivum, in 2007.  He was sitting above a tank of just-fermenting fruit when he was struck by a “coup de foudre” – falling instantly for Sleeping Lady Vineyard, a site farmed by his good friend Larry Bettinelli. He bought the half-fermented must, and has continued to do so every vintage since.  The specific blocks that filled that tank sat up against the Mayacamas at the very top of the vineyard, which is the southernmost site in Yountville. Here, the vines are shielded from the blaze of the afternoon sun, preserving acidity and aromatics in the fruit, while a flow of underground water allows the site to thrive in even the driest of years. Each year, from just 1.5 acres of Cabernet Sauvignon, Phelps crafts another expression of the site.  The exact parcels have shifted very slightly over time. In 2007, the vines were all Clone 191 – the clone he felt was best on the site, but the block needed replanting so they started using fruit from an adjacent plot, planted with Clone 7. After a “carefully thought-out dance” balancing the two plots, the 2024 vintage marks a return to using fruit only from the original plot, now replanted with Clone 191 (and known as Clone 34, which is genetically identical to 191).  Phelps left his day job (working for other wineries) at the end of 2023, finally able to focus exclusively on Ad Vivum, as well as a newer project with his son Josh (Coil Wines). Although we’d tasted the current releases before, earlier this month we were able to taste a trio of back-vintages for the first time. They reinforced how special this site is, as well as Phelps’s talent when it comes to capturing it in bottle.  The three vintages we tasted were 2016, 2017 and 2018 – three very different years in Napa. All three, however, manage to combine great freshness with Napa polish – creating wines that are surprisingly approachable already.  2016 Ad Vivum  In Phelps’s words, 2016 was “a classic Napa vintage”; the weather was warm at the end of June, allowing the vines to focus on fruit ripening, while autumn brought cooler weather. Phelps harvested from 7th October, fermenting in 21% new French oak (the rest in stainless steel), with a total of 19 days on skins prior to maturation for 18 months in 65% new French oak. It has always had “a seamlessness”, Phelps noted, and that’s certainly true tasting the wine.  The nose offers sweet, dark fruit, graphite purity and hints of lifted florals as well as an herbaceous edge. The palate is linear and pure, with mouthwatering acidity and a savoury core of ripe fruit, sweet cassis and ripe tannins that provide a drying grip on the finish. Although the oldest of this mini-vertical, it almost feels the youngest and will certainly benefit from additional time in bottle. A blend of 56% Clone 7 and 44% Clone 191 Cabernet Sauvignon.   2017 Ad Vivum  The 2017 vintage is one that will forever be remembered for its wildfires in Napa, although fortunately Ad Vivum wasn’t impacted by them. After an early budbreak, the growing season was marked by three heatwaves – in mid-June, at the end of August and in mid-September. Having a cooler site, shaded from afternoon sun and with sufficient water reserves was key for Phelps. He harvested from 5th October, bringing in 55% Clone 191 and 45% Clone 7 Cabernet. It was fermented in 25% new French oak, spending 20 days on skins in total (Phelps noted how easily colour and tannin came in this hot vintage), before being aged 17 months in 70% new French oak.  The nose here is bright and perfumed, combining sweet dark fruit – black cherries and blackcurrant – with floral lift and pencil lead. There’s a glorious purity to the fruit here, which follows through onto the dense yet fresh palate, displaying a juicy elegance. There’s a satisfying chew to the tannins, firm yet velvet-like, framing the waves of fruit that flow towards to the long, saline finish. Mouthwatering and moreish, this is hard to resist now.  2018 Ad Vivum  Although the 2018 vintage in Napa started with relatively late budbreak, cooler, even temperatures made for a long growing season, and producing relatively plentiful yields – yet without any dilution, thanks to the extended season. Phelps harvested from 17th October, with the blend moving back towards around two thirds Clone 191 Cabernet from the original block and a third Clone 7. Fermented in 25% new French oak, Phelps left the 2018 on skins for 23 days – slightly longer than other vintages, feeling structured fruit needed more time to reach its potential, echoed with its maturation in 75% new oak for 20 months. Phelps notes how generous this wine has been from the beginning, but has developed further opulence and depth in bottle.  This is a beautiful wine: the nose is intense, exuberant with dark fruit and a satisfying herbaceous edge. Although the blackcurrant and black plum fruit is beautifully ripe and smooth, there’s bright acidity that brings gorgeous freshness – making for a lithe and vibrant palate. The tannins are round and sleek, lending effortless structure, while there’s a saline, savoury edge to the long finish.    Explore all current Ad Vivum listings, including a mixed case of 2016, 2017 and 2018, or read more about California   

Since 2007, Chris Phelps has been working with just 1.5 acres of Cabernet Sauvignon in Sleeping Lady Vineyard in Yountville. The resulting wine is Ad Vivum, a beautiful expression of this special site. We sat down with Phelps to taste through a mini-vertical of the project 

Exploring Chris Phelps’s Ad Vivum Napa Cabernet Sauvignon wine from Yountville’s Sleeping Lady Vineyard through three vintages, 2016, 2017 and 2018 

Tasting Ad Vivum Napa Cabernet Sauvignon – 2016-2018 

Yountville

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