Xiao-Li Meng, Whipple V. N. Jones Professor of Statistics at Harvard and Founding Editor-in-Chief of Harvard Data Science Review, was inspired by a student to combine wine and statistics—leading to insights far beyond what they ever expected.

From wine tastings to data science, Xiao-Li Meng explores how statistics reveals simplicity in complexity – one glass, experiment, and insight at a time.

Wine, statistics & serendipity: A Harvard journey

Seeking simplicity in statistics, complexity in wine, and everything else in fortune cookies

Bordeaux is changing. The Left Bank, in particular, has long been a region of labels – of grandiose estates, polished winemakers and the bottles they produce – the vineyards a backdrop to their impressive châteaux and new state-of-the-art wineries. Of course, vineyards have mattered, as much as they’re the source of their grapes, but they’ve rarely been the focus for conversations with trade or consumers. But now, perhaps influenced by the meteoric rise of Burgundy – and an approach to wine echoed around the world, terroir is stepping into the spotlight. Behind the scenes, the Bordelais may always have been looking underfoot, but now they are talking about it too.  Nowhere is this more true than at Ch. Montrose – a property that announced a significant change when releasing its 2023 vintage. The property has always made some of Bordeaux’s finest wines, but over the past 15 years (under the Bouygues’ ownership) quality at this Saint-Estèphe estate has reached new heights. Long known for its austere age-worthiness, there’s now a modern polish that softens its stern style – without sacrificing its classicism and longevity. Each vintage seems to reveal a new level of precision and finesse. From 2023, Montrose announced that its Grand Vin would only come from Terrace 4 (T4). If that doesn’t mean much to you, I’m not surprised.  The Médoc and Graves’s six gravel terraces were uncovered by Pierre Becheler in a series of studies in the 1980s and ’90s. Each terrace dates from a different period and has its own distinct soils, with Terrace 1 (T1) the oldest and Terrace 6 (T6) the youngest – and argued to be a defining factor in the Left Bank’s terroir. T3 and T4 are widely regarded as the best for wine-growing, and Becheler found that, at the time of their classification in 1855, over 80% of the Classed Growths sat on these two distinct geological strata.  In the last decade, these gravel mounds have become a key part of Bordeaux’s story, explaining the estates’ terroir. Despite widespread understanding that the terraces are integral to the quality of wine, there still isn’t a comprehensive map of the Left Bank’s terroir – showing which vineyards sit on which soils (the best are those created by Jane Anson and Kees van Leeuwen for Anson’s book Inside Bordeaux). Most studies have been undertaken by individual estates, as at Montrose – who engaged Becheler himself to uncover the specifics of their site.  It's remarkable that, without knowing anything about the region’s subsoils, Montrose was so fortuitously placed – although it has of course survived thanks to its prestigious site. The property’s first vines were planted – all on the fabled T4 – in 1815, by Etienne Théodore Dumoulin, who had purchased the land from Nicolas Alexandre de Ségur (of Calon Ségur). The land had been covered in heather, its pink blossom covering the gentle slope come autumn, and sailors passing along the Gironde estuary used to call it the pink hill – or “mont rose”, giving the property its name.  It was only 40 years after the first vines went in the ground that the estate earned its place as a Second Growth in the 1855 Classification. By 1861, when Dumoulin passed away, the estate comprised 95 hectares – but its borders have shifted over the years. It was later purchased by an Alsace factory owner, Mathieu Dolfus, who invested heavily in the property. He was a visionary – offering free healthcare, profit sharing and accommodation on the estate for his workers. He even used a wind turbine to flood the vineyards, staving off the impact of phylloxera as long as he could.  Montrose was managed by the Charmolüe family between 1896 and 2006, with Jean-Louis – who ran the estate from 1960 – key in building its modern reputation. It was under him, in the 1970s, that vines were planted on lower-lying land close to the estuary, which sits on T5. These humid, sandy parcels are now used for La Dame de Montrose, the château’s second wine.  It was in 2006 that brothers Olivier and Martin Bouygues (of the eponymous telecoms company) acquired the property. In 2010 they bought an additional 22 hectares from Phélan Ségur, land which had historically been part of Montrose. These vineyards, wooded on either side, sit on the sandier T3, but importantly also brought the total vineyard area back to 95 hectares – as under Dumoulin – and all sitting in one block (something which is relatively rare in Bordeaux).  The Bouygues brothers hired Vincent Decup as the estate’s Technical Director in 2014. Decup instantly set about getting to grips with the estate and its soils. When he arrived, they had a map detailing 16 different soil types across the vineyards – but he soon commissioned further studies, uncovering an additional 10 soil types. This gave them, Decup tells me, “the possibility to explore and separate” parcels, diving into the detail of the site with a Burgundian, rather than Bordelais, vision. From 2017, the team started delineating the parcels – vinifying plots in 93 separate tanks (over twice the 40 that had been used just three years prior), adapting the winemaking to each. Looking at the Cabernet Sauvignon on T3 and T4, he explains how they gained a “new level of precision and comprehension of Cabernet on each terrace”.  “The Cabernet Sauvignon of Montrose naturally gets lots of power,” Decup tells me. “We have to be careful with the extraction.” Especially for fruit from T3, he explains, it can easily become overly austere. T4 has always represented the majority of the blend for the Grand Vin at Montrose – and in Decup’s mind it is not just the property’s historic DNA, but what gives the wine its identity. He tells me how there is something magical about the way Cabernet ripens on these parcels, developing technical (sugar), aromatic and phenolic ripeness all at once. It produces wine that is “powerful, voluminous, demonstrative – a lion in a cage”.  In 2022, the same year that Charlotte Bouygues took over as President and Pierre Graffeuille became CEO, the team started focusing more on T4, and from 2023 the Grand Vin comes exclusively from this prized terrace. Coming from the Delon estates, Graffeuille knew the potential of these soils, shared by Léoville Las Cases. The 2022 vintage was pivotal – earning four potential 100-point scores, with four firm 100-point scores in bottle – and the 2023 followed in its footsteps, with three potential perfect scores to its name.  The gravel terraces rise and fall through the region. T4 surfaces in Saint-Estèphe, running under Meyney and Montrose, disappearing until the southern edge of Pauillac, reappearing around Latour, then running through much of Saint-Julien (including the three Léovilles – Las Cases, Barton and Poyferré – and Ducru-Beaucaillou), rising again throughout Margaux and then again under Haut-Brion and La Mission Haut-Brion, with small pockets further south.  The defining factor of T4 is an iron pan beneath its sandy gravels. The sandy gravel topsoil allows young vines to develop roots easily, before they hit the compact iron layer – forcing the vines to spread horizontally rather than vertically. That compact layer is cool and retains water, feeding the vines in hot years. Decup explains how in July the topsoil might be hot, but if you dig down you can feel the chill of the iron layer – something that is perfect for Cabernet Sauvignon. At Montrose, T4 sits between 12 and 16 metres’ altitude, while elsewhere it reaches a maximum 22 metres. T4 tends to run close to the Gironde, which provides a moderating influence – especially so at Montrose, where the estuary is 4.5km wide (notably protecting the estate from frosts, such as in the brutal 1991 season – a year when Montrose produced the wine of the vintage).  As with T4, T3 runs beneath many Classed Growths – notably Cos d’Estournel, Mouton and Lafite. With sandier gravel topsoil, the key difference is that T3 doesn’t have the iron pan of T4 – the topsoil instead sitting directly on clay-limestone subsoil. Slightly higher in altitude (15-18 metres at Montrose, but generally 20-26 across the Médoc), the soils are very deep and the vines’ roots drive straight down, up to three metres or so at Montrose, Decup tells me. With less clay in the topsoil, the soils are particularly free-draining, and the vines reach down in search of water. “In terms of expression, it is not the same at all,” says Decup. He explains that while it also produces bold Cabernet Sauvignon, it’s got particular energy and length, an austerity – but “positive austerity”. Vines on T3 particularly thrive in hot, dry years, he tells me.  Montrose has an impressive 45 hectares of vines on T4, 12 on T3, a swathe on what the team describes as an “intermediate soil” – somewhere between the two terraces, and a small portion on T5. So what now of the property’s vines on T3? While the château isn’t openly confirming it, a separate bottling of T3 is set to be released – likely hitting the market in 2026, if rumours are to be believed. The rest of the fruit goes into La Dame de Montrose, and a small portion into a third wine, Tertio de Montrose (previously known as Saint-Estèphe de Montrose), which is exclusively for those working at the estate. All in all, the Grand Vin now represents circa 36% of production at Montrose – down from closer to 45%.   “T3 and T4 are, in our opinion, the terraces that produce the best viticultural results,” says Pierre Becheler, when it comes to the Médoc and Haut-Médoc. Interestingly he explains that in the Graves it’s very different, and T2, which is almost non-existent in the Médoc, produces some stunning results. He can’t fully explain why one terrace works better for wine than another, but one reason the terraces are so important is their influence on water availability. With varying proportions of clay and sizes of gravel, it’s a key element in viticulture and, eventually, wine quality. Although he has spent much of his career diving into these gravel beds, however, he’s very clear that the terraces are one very important piece of the puzzle – but will never provide the entire picture. Some terraces are the best in certain appellations, he says, “but we don’t really know why or how”.  The complexities of Bordeaux’s terroir are manifold – and some argue that the bedrock, from richer clays to hard limestones, are more influential than the gravel terraces that lie over them. On top of this, slope exposition, proximity to the Gironde, and many other elements influencing microclimate, not to mention the human influence, all contribute to the concept of “terroir”. It’s exciting to see site pushed to the fore, especially alongside an increased focus on sustainability in the vineyard. The conversation is evolving – and, if Montrose’s 2023 is anything to go by, it’s only going to push quality in the region higher than ever before.  Explore all current Montrose listing (including a special selection of ex-château stock) or read more about Bordeaux 

While long a leading estate, recent vintages of Ch. Montrose have earned sky-high scores. We sat down with the property’s Technical Director Vincent Decup to find out how the team is taking the Saint-Estèphe titan to new heights – all by looking underfoot  

Sitting down with Ch. Montrose’s Technical Director Vincent Decup to talk about its terroir, terraces and perfect-scoring vintages of the Saint-Estephe wine 

FINE+RARE: Talking terraces and terroir with Ch. Montrose 

What lies beneath: talking terraces and terroir with Ch. Montrose  

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 

Tasting Ad Vivum: 2016-2018  

What is Krug?  Krug is one of the most famous Champagne Houses in the world. It is unusual for making only prestige cuvées and is prized by fine wine lovers, seen by many as the pinnacle of fine Champagne – competing with the likes of Cristal and Dom Pérignon.  When was Krug first made?  Joseph Krug established Krug & Compagnie in 1843 with a wine merchant friend, Hyppolyte de Vivès. Born in Mainz in 1800, Johann-Joseph Krug was the son of a butcher. He dropped the Johann, moved to Paris in 1834 and worked as a bookkeeper at Champagne Jacquesson before starting to blend his first wines with De Vivès, trials for what would eventually become the Krug project.  Is Krug still owned by the Krug family?  No – although the family is still very much involved.  When Joseph passed away in 1866, his son Paul took over the business. In 1868 he moved the business to 5 Rue Coquebert in Reims, the address still occupied by Krug today and home to its historic cellars. The company passed to Paul’s son Joseph II in 1910, but his wife Jeanne took the reins when Joseph II became a prisoner of war during the First World War. Joseph II’s nephew Jean Seydoux became a joint manager after the war, with the business passing to Paul Krug II (Joseph II’s son) in 1959 and then to Henri and Rémi Krug, who joined the company in the 1960s and took over in 1977.  Brothers Henri and Rémi were pivotal in developing the House – expanding the range, building its international reputation and overseeing its sale to luxury goods conglomerate LVMH in 1999. Although they continued to manage the House, the financial backing of LVMH only allowed Krug to thrive. In 2009, Olivier Krug – the sixth generation of his family – took over as Director of the House and remains at the helm today.  What is the Krug style?  Often quite deep golden in colour, Krug is renowned for its use of oak, choosing to ferment all its base wines in old 205-litre oak barrels, allowing micro-oxygenation. This, combined with long lees ageing (minimum six years for non-vintage and 10 for vintage wines), produces a powerful, broad and richly autolytic style of wine, layered with bread, biscuit and brioche notes. The huge number of blending components used for Grande Cuvée makes a particularly complex non-vintage – or as they prefer to call it, multi-vintage – wine. The House also favours picking on the earlier side to retain freshness in the wines. Dosage here is average with the wines labelled Brut, and dosage normally sitting around 5-6g/l in modern releases.  It's interesting to note that Krug feels Meunier is an important element in their blends (sometimes viewed as a lesser grape by Champagne Houses), valuing the mid-palate generosity it brings to wines. Meunier often represents 15-25% of the House’s vintage blends.   What are the different Krug wines?  Joseph Krug had clear ideas about how to make the best Champagne and famously outlined these in his burgundy-coloured leather notebook (which is on display at the Krug family headquarters today). He declared that the House would only make two cuvées, intended to be of equal quality. Cuvée No 1 was a non-vintage wine, conceived to be “the fullest expression of Champagne every year” (embodied today by Grande Cuvée), while Cuvée No 2 would express each vintage. He also firmly believed in the importance of site, writing, “We cannot obtain good wines without using good elements and good terroirs.”  For many years, the House continued to produce just two wines, but the range has since expanded. Although the non-vintage and vintage wines were intended to be equal in quality, the vintage wines command higher prices today.  The Krug range consists of six wines:  Krug Grande Cuvée: Grande Cuvée is Krug’s flagship non-vintage, or multi-vintage (MV), wine, and the modern Cuvée No 1, and previously known as Private Cuvée (until 1978, see below for more on this). There are up to 200 components in each bottling of the wine, combining over 10 vintages (the youngest six years old, the oldest over 20 years old). While it is the House’s “entry-level” offering today, the House holds back many of its best wines from top vintages for the wine. It spends minimum seven years’ ageing on lees prior to disgorgement, with an additional year on cork prior to release. Unlike many non-vintage wines, the goal is not for the wine to be entirely consistent between releases, but to make “the fullest expression of Champagne”. From 2011, this was acknowledged officially when Krug added the Krug ID to every bottle (see more below). In 2016, the House took this further and decided to add an Edition number to each release, starting with Edition 163 (for which the base year was 2007). Some collectors seek out particular editions of Grande Cuvée, with 164 (base 2008) or 168 (base 2012) unsurprisingly lauded. Half-bottles don’t have the edition number on the label, so you need to use the Krug ID to identify the specific bottling.  Krug Rosé: The House’s other non-vintage wine, Krug Rosé was created by Henri and Rémi Krug in the 1970s, with the first release based on the 1976 vintage, released in 1983. The wine is a blend of white wines, with around 11% still red Pinot Noir blended in, combining anything between 20 and 70 different components from five vintages, spending minimum six years on its lees. As for Grande Cuvée, in 2016 Krug added an Edition number to the Rosé label, starting with Edition 21 (base 2008).   Krug Clos du Mesnil: Clos du Mesnil is a single-vineyard vintage Blanc de Blancs Champagne, and one of Krug’s top wines. Champagne expert Richard Juhlin describes it as “the best wine in the world”. Henri and Rémi Krug purchased six hectares of Chardonnay in Le Mesnil-sur-Oger in 1971 and when they went to inspect the vineyards they discovered it included a walled 1.84-hectare plot in the heart of the village. On the wall is inscribed, “In the year 1698, this wall was built by Claude Jannin and Pierre Dehée Metoen and in the same year the vines were planted by Gaspard Jannin, son of Claude.” They replanted the site and at first the fruit was blended into the House’s other wines, however they found that the warmer microclimate – surrounded by buildings – produced a distinctive wine, and they decided to bottle it separately. The first vintage was 1979, released in 1986 – at a time when a single variety, single site wine was pioneering. Aged for minimum a decade on its lees, it is only made in certain vintages where the quality allows.  To date, the vintages of Clos du Mesnil produced are: 1979, 1980, 1981, 1982, 1983, 1985, 1986, 1988, 1989, 1990, 1992, 1995, 1996, 1998, 2000, 2002, 2003, 2004, 2006, 2008 and 2009.  Krug Clos d’Ambonnay: Pure Pinot Noir from a single 0.68-hectare plot, Clos d’Ambonnay is Krug’s other single-vineyard vintage wine. Henri and Rémi found this site on the edge of the village of Ambonnay, on the southeastern slope of the Montagne de Reims, in 1991, managing to purchase it in 1994. Like Clos du Mesnil, the site is a walled vineyard, with the walls dating back to 1766, although vines weren’t planted until the 20th century. The first vintage of the Blanc de Noirs was produced in 1995 and released in 2007. As with Clos du Mesnil, it sees long lees ageing (minimum a decade) and is only made where vintage conditions allow. Given the size of the vineyard, Clos d’Ambonnay is particularly rare.  To date, the vintages produced of Clos d’Ambonnay are: 1995, 1996, 1998, 2000, 2002, 2006 and 2008.  Krug Clos d’Ambonnay Rosé: The first vintage of Krug’s Clos d’Ambonnay Rosé is set to be released in autumn 2025, the 2008 vintage. The first new cuvée since the House launched Clos d’Ambonnay, the wine is a rosé from the same single vineyard, including 15% still red wine in the blend.  Krug Vintage: The other wine conceived by founder Joseph Krug, Cuvée No 2, was a vintage wine that the House still produces today. It is only made in vintages deemed worthy by the House and spends over 10 years on its lees prior to disgorgement.  Recent vintages produced of Krug vintage are: 1988, 1995, 1996, 1998, 2000, 2002, 2003, 2004, 2006, 2008 and 2011.  Krug Collection: In the 1980s, Krug introduced its Collection – a late-disgorged release of more mature wines, normally offered around 25 years after the vintage. These wines have been kept in the House’s cellars, ageing in perfect conditions. Releases to date include: 1981, 1982, 1985, 1988, 1989, 1990 and 1995.  What is Private Cuvée?  Private Cuvée was the previous name for Grande Cuvée, the House’s non-vintage wine, labelled as such from 1862 to 1978. Champagne expert Richard Juhlin notes that the style shifted with the name change, with Grande Cuvée a little lighter more Chardonnay-driven and more multi-faceted, however Private Cuvée was closer to a vintage wine in style with more weight. “The style from the 20’s to the 60’s is strikingly constant and if you find a bottle with a good level and with a price tag you can handle, it is a chance you must not miss,” he writes of Private Cuvée.  How much Krug Champagne is made?  Production for the House is kept firmly under wraps, however estimates suggest around 425,000 bottles are made each year.  What is Krug ID?  This six-digit code features on the back label of every bottle of Krug and allows the drinker to find out about their specific bottle of, with the first three digits indicating the quarter and year of disgorgement. You can look up the ID on the House’s website or app to find the blend, oldest and youngest wines, tasting notes, food and music pairing suggestions. The Krug ID was introduced in 2011, so only appears on bottles released after that date.  Does Krug own vineyards?  Krug’s expertise was historically winemaking and blending, and always operated as a négociant, as was the norm for the Grandes Marques in Champagne. Krug bought fruit from carefully selected sites to make their wines, but Henri and Rémi purchased the House’s first vineyards in 1971 – including the now famous Clos du Mesnil.  Today Krug owns 21 hectares of vines, representing around 20% of their production, supplementing this with purchased fruit. Krug sources its Chardonnay, Pinot Noir and Meunier from the villages of Ambonnay, Aÿ, Le Mesnil-sur-Oger and Trépail. All their contracts are for specific parcels, many based on generations-long relationships, with their oldest contract dating back to 1876.  Krug has been increasingly focused on sustainability, not using any herbicides or pesticides in its own vineyards and the estate vineyards are certified organic as of the 2024 vintage.  Who makes Krug?  As with any winery, there is a large team involved in producing Krug – including the growers supplying fruit and those in the winery at Krug. Eric Lebel was the longtime cellarmaster, from 1999 to 2019, handing over to Julie Cavil who worked alongside Lebel for 13 years before taking the reins at the start of 2020.  When it comes to deciding on the blends, there is a tasting committee, led by Cavil and usually with Olivier Krug. The committee meets every day between the end of harvest and March, tasting 15 samples each day (a strict maximum to ensure their judgement isn’t impacted by palate fatigue). Over the period, they aim to taste all 400 samples two or three times in total. Each taster has to describe each sample with just a single word, which cannot be duplicated by any other taster – something that Cavil feels helps give a better overall picture of the wines.  How is Krug made?  As already mentioned, all Krug’s base wines are fermented in old oak. They use 205-litre barrels, averaging 20 years in age, often retired at around 40 years. They do not block malolactic fermentation but do not encourage it, so some wines do go through malolactic fermentation. Post fermentation, the wines are transferred to stainless steel tank (they are not aged in wood, as at Henri Giraud, for example). The blends are decided by the House’s Tasting Committee (led by Cellar Master Julie Cavil) between the end of harvest and April, before being bottled and spending minimum seven years on their lees (10 years for the vintage wines).  Where is Krug made?  For almost two centuries, the wines were made at Krug’s historic premises in Reims, however as of 2024 the winemaking has moved to its new Joseph winery, just next to Clos d’Ambonnay.   What’s the deal with Krug and Burning Man?  Krug caused some controversy when it shot a marketing campaign at the Burning Man festival at Black Rock in Nevada in 2011. The shoot and brand were denounced by the Burning Man organisation for not complying with its principles, commercialising the festival and community.  Why is Krug’s bottle shaped differently?  Krug’s distinctive narrow-necked bottle was introduced in 1978, at the same time as it changed the name of Private Cuvée to Grande Cuvée. The House previously used standard Champagne bottles. Beyond making Krug’s bottles even more distinctive, the narrow neck is intended to reduce oxygen exchange over the ageing process.  How does Krug age?  Krug is renowned for its ageing potential – with all the House’s wines, including the non-vintage cuvées, designed to evolve in bottle. Champagne expert Essi Avellan MW notes: “All Krugs benefit from ageing. Five years after release, they tend to have opened up beautifully, showing more expression and a beautifully harmonious nature. Grand Cuvées are a real delight some 10 to 15 years after release, often at the peak of their expression. The vintages are all long-lived; thereafter it depends on the vintage (and the individual bottle, of course) as to how they age. When well kept, all should age for at least 15 years post-release, and the best for several decades.”  Explore all Krug listings, including the new releases of Grande Cuvée and Rosé, or read more about Champagne and sparkling wine 

Krug is a name with reach far beyond wine lovers, the gold label and iconic bottle shape immediately recognisable. As the latest editions of Grande Cuvée and Rosé are released, we have compiled an insider’s guide to this legendary Champagne house and its wines

Everything you need to know about Krug Champagne – the luxury House and its iconic Grande Cuvee, Rose, Clos du Mesnil, Clos d’Ambonnay and vintage wines

Your essential guide to Krug Champagne 

Everything you need to know about Krug 

Overall, the 2024 crop was Bordeaux’s smallest since 1991 – with the region producing 332 million litres of wine. This is in part due to declining vineyard area, with the yield averaging 35hl/ha – slightly higher than that of the 2021, 2017 or 2013 vintages. Diving further into this, however, reveals a significant difference between the Left and Right Banks – with 34.4hl/ha in Saint-Emilion, Pomerol and Fronsac, versus 30.8hl/ha on average in the Médoc and Graves. It's a year where it is hard to generalise, even within each commune, for neighbouring estates produced drastically different results in the vintage. As David Suire of Ch. Laroque explained, there were such varying approaches to the year’s challenges, something that is echoed in the wines produced. RIGHT BANK This year, once again, the Right Bank offered more consistency than the Left. Although it was still heterogenous, the smaller size of estates lent itself to success – making it easier to treat and harvest in the narrow windows of dry weather. Wherever you were, however, it was a challenging year: as Christian Moueix said, “You cannot replace the sun.” Beyond the more overcast weather, hail hit Fronsac, Canon-Fronsac and Lalande-de-Pomerol in June, with some estates losing their entire crop, although Pomerol and Saint-Emilion largely escaped.  Pomerol For Noëmie Durantou (Ch. l’Eglise-Clinet), 2024 was a tough opponent – but one she knew they could win against, and looking back at it, what a game it was: as her wines certainly indicate. For her, there were several key elements to the growing season: the cloud cover that reduced diurnal variation (she recalls warm, sleepless nights), the late véraison, foggy mornings that increased botrytis pressure in the run-up to harvest, and the year’s humidity level – 80% in Pomerol, versus a more normal 50-60%. The hail that struck Lalande-de-Pomerol in June strayed a little into Pomerol, but most estates escaped any serious impact – with just a touch felt at Lafleur at Feytit-Clinet, for example. Treating the vines posed an additional challenge for the team at Clinet, who have to take into account the timetable of the neighbouring school, working around the presence of children and/or parents, on top of inclement conditions. Harvest began in Pomerol slightly earlier than in neighbouring Saint-Emilion, kicking off from as early as 16th September, but most starting to bring their Merlot in from 20th of the month, and the Cabernet finished by 4th October (although some producers had everything in the winery by the end of September). Yields varied significantly – from the second-smallest harvest since 1991 at Belle-Brise to the second-largest crop in the last 25 years at Lafleur.  Jeremy Chasseuil (Feytit-Clinet) emphasised how, for him, leaving the wine on lees for two months was key – helping to build texture, releasing polysaccharides that lend weight to the wine’s mid-palate. While 2024 did not produce the most opulent styles of Pomerol, the best retain a plush texture and exoticism to the aromatics that complements the naturally high acidity of the year. Although quality isn’t entirely consistent here, there are many highlights. Our favourites in Pomerol: Belle-Brise, Eglise-Clinet, Guillot Clauzel, La Conseillante, Lafleur, Le Pin, Vieux Château Certan Saint-Emilion There was a notable difference between Pomerol and Saint-Emilion – with Saint-Emilion seeing significantly more rain in April to June, with 278mm versus 199mm in Pomerol. Despite that, the region’s limestone plateau came into its own – allowing the water to drain away from the vines, despite hitting record levels (at Ausone, the level in their well was the highest-ever). August, however, was significantly drier on the Right Bank – with around half the normal rainfall.  Harvest started a little later here. Although some started as early as 17th September (Cheval Blanc, Canon, for example), most waited until 27th, and with several estates holding off until early October. Despite the year’s challenges (“It was a war,” said Cheval Blanc’s Pierre-Olivier Clouet), the yield across the appellation worked out as fairly average – although varied between estates. At Angélus, it was Hubert de Boüard de Laforest’s 40th vintage, and the bottle bears a cut-through of a tree-trunk with 40 rings as a tribute. At Ch. Beauséjour, it was the first vintage to be made in Joséphine Duffau-Lagarrosse’s new winery, something for which she was particularly appreciative, allowing her to divide the vineyard into smaller parcels and work with greater precision. Saint-Emilion is so large that there is inevitably a broad range of wines this year. Although there are some that can be overly tart, austere or astringent, there are some very impressive, textured, layered wines that retain tension yet also offer plentiful fruit and weight. Cheval Blanc, for example, is a very serious wine that will need time – a real contrast to many of the 2024s that are set to be approachable early. It’s worth highlighting Ch. Laroque, an estate that we have been watching for a while, and where David Suire continues to make wines that offer extraordinary value. Our favourites in Saint-Emilion: Ausone, Cheval Blanc, Clos de Sarpe, Figeac, L’If, Laroque, Tertre Roteboeuf LEFT BANK Yields on the Left Bank were – other than for the whites – generally lower than on the Right. It varies significantly between estates, however, with yields varying from the smallest-ever to normal. While there are years when lesser sites in the Médoc and Haut-Médoc excel, 2024 largely wasn’t – this was a vintage where the quality of terroir, as well as the means to make stringent selection were key. We found quality here was even more heterogenous than across the Gironde, however there are still some brilliant wines to be found.  Saint-Estèphe Quality in Saint-Estèphe is mixed in 2024. The commune’s cooler, northern position was not necessarily an advantage this year, nor were the more clay-rich soils – which have been such an advantage in recent warm and dry vintages. Estates with vines on free-draining gravels fared best, however there are many variables to the quality equation this year. While not every estate thrived, there are some serious highs here, with Montrose vying for wine of the vintage – offering a level of density and complexity that really stood out in our tastings. It’s the second rendition of their Grand Vin to come exclusively from Terrace Four (T4), a decision that is clearly being rewarded, and we also got our first taste of the not-yet-released wine made from T3, called “Terrasse 3” – a wine that will be worth looking out for. The team at Montrose emphasised how the appellation saw less rain between 1st August and 8th September compared to those further south, receiving just 50mm in this critical period (versus 80mm for Margaux and 120mm for Pessac-Léognan), something they felt was key to their success. Calon-Ségur was one of several estates that chose to abandon organics this year, using conventional sprays between budburst and flowering, before reverting to their normal regimen, allowing them to achieve the same yield as 2023 at 45hl/ha (versus 29hl/ha at Cos d’Estournel, who continued on their path to organic certification). Technical Director Vincent Millet – who is at the helm of Calon’s entire portfolio of estates, including Ch. le Prieuré in Saint-Emilion and Vray Croix de Gay in Pomerol – noted how the later-ripening Cabernet Sauvignon was particularly tricky this year, making the Left Bank more challenging than the Right in the vintage. Our favourites in Saint-Estèphe: Montrose Pauillac Pauillac had the lowest yield of any of the Left Bank communes this year, with the average across the appellation 29.5hl/ha (versus a 20-year average of 45.7hl/ha). Between estates, figures varied wildly – from the miniscule 11hl/ha made at Ch. Latour (a level more typical in Sauternes) to 33hl/ha at Ch. Lafite Rothschild, for example, looking at two estates working organically. June was drier here than elsewhere, meaning the vines started to suffer from hydric stress earlier – with some properties even saying they saw the vines’ development stall in August, with the first rains at the end of the month a welcome reprieve. Harvest here stretched through the first 10 days of October, with botrytis significantly impacting yields. Pichon Baron estimated they lost around 10hl/ha to rot – just one of the sacrifices that made 2024 such a costly vintage to produce. The resulting wines tend to have higher portions of Cabernet Sauvignon, and vary in both style and quality. Generally, these are lighter-styled Pauillacs, not having the firmness or power that this appellation can often offer. Although some don’t have sufficient concentration or structure, the best have trademark Pauillac graphite, complemented by more delicate florals, crunchy fruit, a saline quality and fine tannins. The vintage also marks 100 years of Batailley under the Borie-Castéja family, earning a commemorative label for this benchmark Claret, as well as a special Marie-Jeanne format. Our favourites in Pauillac: Batailley, Lafite Rothschild, Pichon Comtesse, Pontet-Canet Saint-Julien At Chx Léoville and Langoa Barton, Damien Barton Sartorius compared 2024 to running a marathon – tiring, but satisfying, and leaving you ready to sign up for another. The average yield for the appellation was a little bit higher than that of Pauillac, with 32.5hl/ha – still almost 25% down on the 30-year average. As with further north, however, the average is only an average: Beychevelle cropped at 43hl/ha, while selection took the yield down to 23.6hl/ha at Ducru-Beaucaillou (with the team throwing away almost 10hl/ha), and figures varied significantly between estates. At Beychevelle, Philippe Blanc explained how after just 4mm rain between 1st and 28th August, the rain recommenced and never stopped. Their Merlot was more impacted by mildew and therefore the blend is higher in Cabernet Sauvignon (55%) – something echoed elsewhere. The poor flowering and resulting coulure meant looser bunches, explained Barton Sartorius, something which he felt really helped them avoid significant botrytis pressure at the end of the season.  The smaller size of Saint-Julien means it is a little more consistent than Pauillac, however, it’s not entirely uniform. The fruit tends to be a little sweeter, while still on the red rather than black spectrum, the wines offering bright acidity and the best fine tannins and good balance, with the oak seamlessly integrated.  Our favourites in Saint-Julien: Ducru-Beaucaillou, Léoville Barton Margaux Although no appellation is consistent in 2024, Margaux produced some particularly impressive wines. Rainfall may have been higher here than further north, but the slightly warmer microclimate and shallow soils perhaps allowed the grapes to ripen earlier and more fully. There are still some light and tart wines, however the likes of Palmer, Margaux and Rauzan-Ségla produced wines that are among the best of the vintage. Ch. Margaux pointed to their early flowering as a significant advantage in the vintage – “a blessing”, in Aurélien Valance’s words. The 2024 vintage was meant to be the final year of organic conversion at Ch. Rauzan-Ségla, and as the mildew pressure hit, the team had a serious conversation about whether or not to persevere. With the owners’ endorsement, they decided that long-term it was the right decision to continue – knowing it would mean a sacrifice in yield (with a final crop of 30hl/ha), but it would also be their first organically certified wine. The Palmer team – long biodynamic – had to spray as many as 10 times by hand, unable to get their tractors into the vines. However you explain it, the results here speak for themselves – with wines that combine pretty, heady florals with sweet and supple fruit, as well as fine but persistent, powdered tannins: some serious wines that would deserve consideration in any vintage. This was also the one appellation where second wines – such as Alter Ego de Palmer and Pavillon Rouge – showed real quality. Our favourites in Margaux: Brane-Cantenac, Giscours, Palmer, Margaux, Rauzan-Ségla Graves + Pessac-Léognan Yields for the reds in Pessac-Léognan were – unusually for the year – average. The whites are discussed separately below, but the reds from Graves and Pessac-Léognan were as varied as elsewhere. There are, however, some charming wines, and some very impressive wines that defy the year’s reputation. This southerly region saw more rain in August, not benefitting perhaps from the hydric stress that was so key elsewhere – but the rain that month wasn’t excessive, just in line with the norm. At Smith Haut Lafitte, September saw more than three times the average rainfall (164mm versus 48mm), making the harvest far from easy. Although Carmes Haut-Brion picked 40hl/ha, they only vinified 24hl/ha – another example of the extreme selection that quality-focused estates put in place this year. Guillaume Pouthier – who always offers a unique perspective on a vintage – is doing something different with his ageing this year, reducing the temperature of the cellar from 16°C to 12°C over the two-year élevage, to preserve the fruit profile in the wine and encourage tartaric precipitation, thereby reducing the acidity level. Time will tell how this works, so it will be fascinating to retaste the wine in bottle. Domaine de Chevalier produced some particularly impressive wines this year, and although they have long worked organically and biodynamically, this year they made the difficult decision to use conventional treatments – something that has been rewarded, with both generous yields (48hl/ha) and very high quality. Our favourites in Graves + Pessac-Léognan: Les Carmes Haut-Brion, Domaine de Chevalier, La Mission Haut-Brion Dry whites Some people are raving about the dry whites in 2024 – and, while there are absolutely some brilliant whites, quality is far from uniform. The first Sauvignon Blanc grapes were harvested in Sauternes on 20th August, although most producers we spoke to picked from the very end of August/early September, with the last Semillon brought in on 23rd September. Yields were average to generous, with mildew much less of a problem – 30 hl/ha at Margaux, 32hl/ha at Smith Haut Lafitte, 38hl/ha for Haut-Brion and La Mission Haut-Brion, 48hl/ha at Domaine de Chevalier, for example, while on the Right Bank the Lafleur stable brought in around 40hl/ha and the Nicolas Thienpont team cropped 43hl/ha and 47hl/ha respectively at Alcée and Charmes-Godard. The cooler conditions preserved a backbone of acidity in the wines, with accordingly low pHs – analytically speaking, the wines have the highest acidity since 2014. The aromatics are precise, dominated by green rather than stone-fruit, and certainly not at the more tropical end of the spectrum. If anything, some of the wines can feel a little green or lean. As Smith Haut Lafitte’s Technical Director Fabien Teitgen explained, the challenge was to get ripeness that would cloak the acid of the vintage, the flesh to complement its skeleton. Owner Florence Cathiard feels the result is “one of [their] best whites”. Similarly at Ch. Margaux, they did a little more bâtonnage to give weight to Pavillon Blanc – and it’s one of the stars of the year. In some, you can feel the growing season’s excess of water – the generous yields resulting in wines that don’t have sufficient concentration. Sauvignon Blanc seemed to fare better than Semillon, which was more susceptible to rot and was more challenging to get phenolically ripe – and many of our favourites were pure Sauvignon, or heavily driven by the variety. Comparisons were varied – although 2021 was common for its acid backbone and cooler conditions. At Lafleur, Omri Ram is convinced that 2024 Les Champs Libres is one of their best, sitting comfortably alongside the 2023 and 2021. At Ch. Margaux, Aurélien Valance looked to a surprising vintage – the warm 2018 season, but in which the wine has a similar saline imprint to that found in 2024. Our favourites: Charmes-Godard, De Fieuzal Blanc, Domaine de Chevalier Blanc, Haut-Brion Blanc, Les Champs Libres and Grand Village Blanc, Pavillon Blanc du Ch. Margaux Sauternes + Barsac It’s easy to assume that because rain and rot threatened the crop in 2024, it was perfect for the sweet wines of Sauternes and Barsac: but very specific conditions are required for noble rot to set in, and if they aren’t met, you get grey rot – with both caused by the same fungus, botrytis cinerea. The first pass in Sauternes tended to take place at the end of September, with alternating wet and dry conditions encouraging the development of noble rot from the start of October. But teams had to battle grey and sour rot too – and a high degree of selection was key. At La Tour Blanche, they made just 3hl/ha for their Grand Vin, a tiny yield that matches that of 2021. The grapes that made it into the tank offered high acidity levels, precise aromatics, but not the luscious concentration of the very best vintages. Based on our tastings, the resulting wines are good to very good, if not quite exceptional, but may have particular appeal to consumers who prefer a lighter style of sweet wine – with brighter acidity and slightly lower residual sugar levels. They are vibrant and pure, with plenty of concentration, if not as hedonistic as more lauded years – and will be approachable at an earlier stage in life. Our favourites: Doisy Védrines, Guiraud, La Tour Blanche, Suduiraut Explore Bordeaux 2024 – including our full vintage overview

Following on from our full vintage overview, and as the Bordeaux 2024 en primeur releases continue, we explore how each subregion performed in the year, as well as identifying our favourite wines in each

Bordeaux 2024: a breakdown of the vintage by region, with top picks from Saint-Estephe, Pauillac, Margaux, Saint-Julien, Saint-Emilion and Pomerol

Bordeaux 2024 – breaking the year down by commune

Bordeaux 2024: the vintage by commune

For Marelise Niemann, the lure of wine is the very thing that might frustrate less intuitive winegrowers. “You’re never in control: you’re always humbled,” she says – by the weather, by the baboons that eat your grapes, by nature. Humbling though it may be, Niemann has made Grenache her mission – crafting South Africa’s finest, most elegant expressions of this grape under her Momento label.  It's perhaps not surprising, given the style of her wines, that it was a vintage in Burgundy that provided her lightbulb moment. At the time, in the late noughties, South Africa was still focused on producing big wines: bold reds, extracted and heavily oaked, were seen as the best. Parker’s influence was lingering, and South Africa was still bouncing back from apartheid and the stifling monopoly of the KWV. But a stint working with Pinot Noir made Niemann realise the surprising and sometimes incongruous power of delicacy – in short, that bigger wasn’t always better.  And she was one of many on a similar journey. South Africa’s New Wave movement was gathering pace. Led by the likes of Eben Sadie, Adi Badenhorst, and Chris and Andrea Mullineux, these producers were crafting fresh and fine wines, reinventing South Africa’s vinous identity. What started in the Swartland soon swept across the nation, and Niemann was part of this groundswell.  It was farming that first drew her to wine, having spent time as a child on her grandparents’ farm in Stanford, a small village in the Overberg, getting up at the crack of dawn to help milk the cows or do whatever else needed doing. Although her parents both left agriculture behind, she wanted to work the land. Growing up in Elgin, dominated by apples but with a nascent grape industry, she decided to try viticulture. Late nights with many bottles at university in Stellenbosch convinced her that growing grapes wasn’t enough, and soon her degree had broadened to include winemaking.  After travelling the world and doing vintages in the Rhône and California, she got a job working alongside Sebastian Beaumont – who had just taken over his family’s estate, Beaumont Family Wines. It was here, she explains, that she could unlearn everything in the books. While there, she continued to travel and do vintages in the Northern Hemisphere – including the aforementioned stint in Burgundy.   Although Pinot Noir was her inspiration, it was the freshness and vibrancy that she was chasing, rather than Pinot itself – well aware that much of South Africa is simply too hot and dry for the variety. A trip to Terroir al Limit (the Priorat project created by Dominik Huber and Eben Sadie in 2001) in 2010 was pivotal. She fell instantly for the region’s beautiful old Garnacha vines, and the lighter styles that Huber and Sadie were producing.   She immediately returned and sought out a parcel of Grenache in the Western Cape. She bought two tonnes from a 50-year-old vineyard in the Swartland with Donovan Rall (of Rall Wines); he picked the fruit and trucked it down to Stellenbosch, where they stashed it illicitly in a university cold room overnight courtesy of a friend, and she then drove it down to Beaumont. The winemaking was minimal, in part because she was busy making the Beaumont wines, and she didn’t have any equipment – but also because it was what the vineyard gave her, leaning towards a lighter, more fragrant style. The first vintage of Momento Grenache was born. That was 2011, and before she’d even decided on a name or considered designing a label for the bottled product, it was chosen for the famous Young Guns tasting. (Her husband – an artist – sketched the vine you’ll see on the label today, with faces in the trunk, because for Niemann wine isn’t just the geeky stuff, but the people – both those who make it and those who enjoy it.)  Fast forward a decade, and Momento has earned quite the reputation. Niemann was named Tim Atkin MW’s Young Winemaker of the Year in his 2023 South Africa Report, and critics gush over the wines from this “Grenache-whisperer” (as dubbed by Malu Lambert, Decanter).  Although Niemann makes a Chenin Blanc/Verdelho blend and Tinta Barocca, Grenache is very much the core of the Momento range – with Grenache Gris and Blanc, as well as several different bottlings of Grenache Noir. It’s unsurprising given the beautifully fragrant, fine and fresh style of her wines that those she looks to for inspiration are Rayas (of course), but also those of Sierra de Gredos (such as Comando G), and finer, new-wave examples from Australia too – like Yangarra or S.C. Pannell. With the 2022 vintage, she introduced three additional single-site expressions of Grenache Noir, adding a bottling from Botrivier shale, Piekenierskloof sandstone and Riebeekberg schist, alongside her Paardeberg wine (previously labelled as Swartland, or Western Cape, all on granite). The idea is to show what Grenache can do in South Africa, speaking of their different soils, yet all retaining her trademark vibrancy and delicacy.  For Niemann, Grenache and the other varieties she works with aren’t an arbitrary choice, but those that are sustainable in the South African climate. Almost all the vineyards she works with are dry-farmed (with one that she’s weaning off its water-dependency). She points to the drought of 2015-2018 with its threat of Day Zero, when no one could irrigate their vines: she recalls how the Cabernet and Merlot in a neighbouring vineyard gave up, offering little to no crop, but it wasn’t the case with her Grenache, which “just carried on with life”. As she says, “There will be another day zero in South Africa. It will become hotter and drier. We need to farm varietals that don’t need to be irrigated.” Grapes like Grenache, Chenin and Verdelho, alongside Cinsault and Carignan are – for her – the answer. “It’s what our climate wants us to plant,” she says.  One thing’s for sure: if this is the future for South African wine, it’s incredibly exciting. Forget high-alcohol, soupy sweet Grenache; Niemann’s wines are fine-boned, fresh, textured, perfumed and pure – wines that speak of place. Allocations of her single-site bottlings vanished almost instantly on release – and I’m in no doubt that her star will only continue to rise. Snap these wines up while you can.  Explore the Momento range or read more about South Africa 

Named Tim Atkin MW’s Young Winemaker of the Year in 2023, Marelise Niemann is crafting some of South Africa’s most exciting wines. We sat down with the Momento winemaker to talk about her journey into wine, falling head-over-heels for Burgundy and why Grenache is the future for the Western Cape

Sitting down with Marlise Niemann, the winemaker behind Momento wines in Bot River, South Africa – Tim Atkin’s Young Winemaker of the Year 2023

Redefining Grenache: Marelise Niemann’s Momento wines

Redefining Grenache: Momento 

Calon Ségur was my first ever en primeur purchase. There was such hype around the 2005 vintage and I was desperate to get my hands on something, anything. At the time I was a delivery driver for a small wine merchant and it was a luxury, but I could just afford a 12-bottle case of Calon Ségur. That alone is proof of just how cheap this wine was at the time, and how little in demand. The château always had pedigree, however. It was classified as a Third Growth in 1855 – a ranking that may even have been an underestimation, given its reputation today. Evidence of wine-growing on the estate dates all the way back to the 12th century. Since then, the property has passed through the hands of some of the most important winemaking families in Bordeaux. By 1718, the Marquis de Calon owned not just Calon Ségur but Lafite Rothschild, Latour and Mouton Rothschild. With the exception of Ch. Margaux, all the future Médoc First Growths were under his management, but he famously said, “I make wine at Lafite and Latour, but my heart is at Calon.” The quote inspired the heart that adorns every bottle. More recently, the vintages produced under Georges Gasqueton in the 1920s, ’40s and ’50s remain legendary. So, what went wrong? How could an estate, favoured over Lafite and Latour, fall so far from grace? In modern times, the blame seems to have been lain firmly at the feet of Madame Denise Gasqueton who took over the property after her husband died in 1995 and managed it until her death in 2011. But current Technical Director Vincent Millet says this is an unfair assumption. And he should know. If there has been one constant at Calon Ségur through its complete transformation, it is him – having started working at Calon in 2006. “Gasqueton was very traditional in her approach,” says Millet, “but her methods were not uncommon at the time.” Millet explains how the 1970s, ’80s and even ’90s were a lean era in the Médoc. Prices for the wines hit rock bottom and costs had to be cut to survive. Philippe Gasqueton – her husband – had instigated a mass uprooting of Calon Ségur’s vines, hoping to save on labour costs, which were the estate’s biggest outgoing. Although it’s hard to believe now, they pulled up every other row of vines. While Saint-Estèphe had a great reputation for Cabernet Sauvignon, it was harder to grow than the earlier-ripening Merlot, which typically produced more fruit. As Merlot gained in popularity, plantings in the Calon vineyards grew. By the time Millet joined the estate, Merlot represented 50% of the blend at Calon.  Millet is not critical of Gasqueton’s decisions. “It was necessary to survive,” he says. But he knew Merlot was not the best variety for the Médoc and he was keen to make changes. He’d spent five years working with Ch. Margaux, Mouton, Latour, Pétrus, Haut-Brion and Lafite Rothschild, examining the effects of filtration on wine. He then joined Ch. Margaux, heading up their research development department for eight years. By the time he reached Calon, he knew that changes in the vineyard would rekindle its reputation – a disappointment to Madame Gasqueton who had invested in a new winery just a few years earlier. But Gasqueton was open to Millet’s ideas and he convinced her to build a truly state-of-the-art winery at their other estate, Ch. Capbern. “Capbern became a laboratory,” explains Millet. It was their playground, providing much of the research that would inform the work at Calon. Soon before Millet’s arrival, Gasqueton started restructuring the vineyards to make sure they met the appellation’s minimum vine density. Millet then started dividing up the vineyard and identifying the best plots and replacing the Merlot. Importantly he also insisted that rather than harvesting the Cabernet straight after the Merlot, they would wait for the fruit to be fully ripe – something he remembers having to persuade Gasqueton was necessary. “We have to act when the grapes tell us to, not the other way around,” he explains. By 2008, Cabernet Sauvignon once again represented 80% of the vineyard – the same proportion as in the estate’s legendary period in the early 20th century. By the time Gasqueton passed away in 2011, the roadmap for changing Calon’s fortunes was already in place. The estate was purchased by the insurance company Suravenir in 2012. And the new owners, much to Millet’s delight, were happy to invest in the property. As the financial constraints lessened, Millet was able to implement changes rapidly. Under the new management, Millet found he could be more selective with the fruit. He could easily distinguish the best plots, as they were all now vinified separately. Amazingly, production of the Grand Vin dropped by almost half. Between 2000 and 2005 production sat at around 180,000-200,000 bottles a year. Today they make just 100,000 bottles of the Grand Vin.  The second wine Marquis de Calon became the expression of Merlot at Calon Ségur (almost a copy of Calon’s profile under Madame Gasqueton). But today Calon Ségur is distinctly Cabernet-driven and it is what Millet believes is the best interpretation of Calon Ségur and Saint-Estèphe’s terroir. There’s much more to the wine than Cabernet, however. “Calon Ségur is all about finesse,” he says. “It doesn’t have the terroir to make the powerful wines of Ch. Montrose or Cos d’Estournel. The wine would be too rustic if we tried to make it more powerful.” It’s this elegance that makes it unique in the appellation, defying Saint-Estèphe’s reputation for chunky, slightly awkward tannins. Today, the estate is firing on all cylinders and it has become the darling of Saint-Estèphe.  With its change in fortune, financial security and the capable hands of Vincent Millet, the property has rediscovered its terroir – the one thing that hasn’t changed over the centuries. I still have one bottle left of that first case of 2005 I bought – and it turns out, despite being the only thing I could afford, it was a brilliant buy. Having been able to taste through every vintage since has been fascinating, allowing me to follow the estate’s journey. Maybe with the final bottle, I will toast its 20th birthday. It will neatly mark a fascinating transformation of this once ugly duckling estate – that today has become Saint-Estèphe’s most elegant. Explore all current Calon Ségur listings or read more Editorial

Until relatively recently, Saint-Estèphe estate Calon Ségur rarely lived up to its Third Growth status, but today it is one of the region’s most in-demand names. Gavin Smith speaks to winemaker Vincent Millet about this property’s miraculous transformation 

Calon Segur’s winemaker Vincent Millet on this Saint-Estephe ugly duckling estate’s miraculous transformation

Talking to Vincent Millet of Calon Segur

Calon Ségur: the ugly duckling of Saint-Estèphe

Alphonse Gros was the first in his family to settle in Vosne-Romanée, in 1830, and purchased the monopole Clos des Réas, still worked by the family today. His son Louis-Gustave took over the business and bought more vineyards. He married and – by the mid-19th century – the wines were bottled under their combined name, as Domaine Gros-Guenaud. In 1882, he purchased two hectares of Richebourg – vineyard land that remains under the Gros family today. Louis-Gustave’s son, Jules Gros, inherited the business from his father and, similarly to his father, labelled the wines under his and his wife’s name, as Domaine Gros-Renaudot. In 1920, he purchased two parcels of Clos Vougeot, later adding Les Grands Echezeaux and three hectares of Echézeaux, in the lieu-dit Les Loächausses.  Louis Gros, Jules’s son, took over in due course, and bottled wines under Domaine Louis Gros and later Domaine Louis Gros & Fils. He passed away in 1951, leaving four children: Jean, François, Gustave and Colette, who continued running the family estate until 1963, when they divvied up the property.  Gustave and Colette joined their shares together to create Domaine Gros Frère & Soeur.  Jean and François worked together, making wine under the name Gros Père & Fils, but divided their holdings in the early 1970s. Jean established his own estate, Domaine Jean Gros.  François continued to produce wine under the Gros Père & Fils label (négoce bottlings), but also under Domaine François Gros. In 1978, he stopped bottling wine due to health problems, and for a decade all the wine was sold to a négociant, with both the domaine or négoce ceasing production. Despite previously studying the arts, his daughter Anne Gros shifted too winemaking and revived the family domaine in 1988, under the name Domaine Anne & François Gros, changing this to Domaine Anne Gros in 1995.  Jean had three children: Bernard, Michel and Anne-Françoise. Bernard Gros took over Domaine Gros Frère & Soeur, while Michel Gros starting making wine under his own name at Domaine Michel Gros. Anne-Françoise established Domaine A.-F. Gros (she later married François Parent of Pommard, who brought family vines with him to the operation). The next generation is now taking over, and even setting up their own estates – with Anne Gros’s son Paul Tollot-Gros having made his first handful of vintages under his own name.    The Gros estates today  Domaine Gros Frère & Soeur: Bernard Gros has now handed the running of this domaine over to his son, Vincent Gros.  Domaine Michel Gros: Michel Gros is still at the helm of this estate, although his son Pierre is now working alongside his father.  Domaine A.-F. Gros: This estate, with a large winery in Beaune as well as a property in Pommard, is now run by brother-and-sister Caroline and Mathias Parent, with Caroline in charge of the commercial side of the business and Mathias running the vineyards and winery.  Domaine Anne Gros: Anne Gros is still in charge at the estate, but her children – Julie, Paul and Marine – are all involved. Paul has now also set up his own label (see below). She also has a project in the Minervois, under the name Jean-Paul Tollot & Anne Gros  Paul Tollot-Gros: Anne Gros’s son, Paul Tollot-Gros, set up his own label as of the 2022 vintage.   

There are several different Gros estates in Burgundy – but how are they all related? Here, we dive into their vinous dynasty

There are many different Gros estates in Burgundy – but how are they related? We dive into Gros Frere & Soeur, Michel Gros, Anne Gros, A-F Gros and more

The Gros family domaines in Burgundy 

Untangling the Gros family’s estates in Burgundy

Vincent Ledy

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