Diebolt-Vallois, Fleur de Passion 2015: The depth of Cramant in a sun-drenched vintage
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Aug 2026
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Descending from Épernay towards the Côte des Blancs, Cramant is the first Grand Cru village encountered after Cuis. Together with Avize, Oger and Le Mesnil-sur-Oger, it forms the most celebrated historic core of this slope, joined by Chouilly and Oiry, both also classified as Grand Cru. The vineyards extend predominantly along east- and south-east-facing slopes, where the thin topsoil quickly gives way to the underlying chalk. At the top of the slopes, wooded areas help regulate temperatures and water availability, partially protecting the vines from climatic extremes.
In this environment, Chardonnay achieves one of its most accomplished expressions: finesse does not exclude density, while the mineral character is often accompanied by a more enveloping texture than in other sectors of the Côte des Blancs. When interpreted through a single cru and given extended ageing, it can attain a depth comparable to that of the great white wines of Burgundy.
The history of Diebolt-Vallois began with the union of two viticultural estates. Jacques Diebolt owned approximately two hectares in Cramant, while Nadia Vallois brought with her two hectares in Cuis. Following their marriage in 1960, the two properties were brought together, combining the more vertical and slender character of Cuis with the greater expressive richness of Cramant.
Jacques Diebolt, who trained at the École viticole in Avize, had begun working in the vineyards of his maternal grandfather at the age of just fifteen. He was the first in the family to systematically vinify and market Champagne under his own name: the Diebolt-Vallois brand was created in 1978 and, with the construction of the winery opposite the family home, an independent production took shape, whereas previously much of the fruit had been sold.
Today, the estate comprises approximately 14.5 hectares, concentrated primarily in Cramant and Cuis. The vineyard holdings are complemented by parcels in Chouilly and Le Mesnil-sur-Oger, as well as on the well-exposed slopes of Épernay, in the lieux-dits Les Toulettes and Les Hautes Justices. The estate is now run by Arnaud and Isabelle Diebolt, Jacques’s children. Isabelle oversees the commercial side, while Arnaud works directly in the vineyards, knows each individual parcel intimately and vinifies its grapes separately.
Soil cultivation, grass cover between the rows and the use of organic fertilisers reflect a philosophy of viticulture founded on observation and the balance of the vine. Precision in the vineyard and parcel-by-parcel vinification are two essential elements of the Diebolt-Vallois identity.
The 2015 vintage belongs to the new generation of warm years in Champagne, although its climatic evolution was less linear. Following a winter that replenished water reserves, the vineyards experienced almost three months of drought from mid-May to mid-August, while sunshine levels between March and August reached figures comparable to those recorded in 2003. Rainfall returned during the second half of August, accompanied by a significant drop in temperatures.
Ripening therefore developed in two phases: initially rapid, under the effects of heat and drought, and subsequently more gradual. The first days of September, cool and dry, helped preserve the health of the grapes before the start of the harvest. The bunches showed high sugar concentrations and moderate acidity, with malic acid levels among the lowest recorded in recent decades. The vintage was heterogeneous, but the Chardonnays of the Côte des Blancs proved particularly healthy, thanks to the ability of the chalk to accumulate water at depth and gradually release it to the roots, mitigating, at least in part, the effects of drought.
The value of Fleur de Passion 2015 lies precisely in the encounter between the solar ripeness of the vintage, the old vines of Cramant and a vinification conceived to preserve energy and territorial identity.
Fleur de Passion 2015
100% Chardonnay – Cramant Grand Cru – Extra Brut diebolt-vallois-fleur-2015.jpg283.34 KB
The prestige cuvée of Diebolt-Vallois, Fleur de Passion represents the estate’s most ambitious interpretation of Chardonnay from Cramant. The 2015 vintage comes from a selection of old vines distributed across seven parcels within the Grand Cru: Les Buzons, Fromates, Fourches, Gouttes d’Or, Pimonts, Gros Monts and Rouillées, with Les Buzons forming the historic core of the cuvée.
The vines, some of which are well over sixty years old, are situated on predominantly east- and south-east-facing slopes, where the soil is thin and the chalk quickly approaches the surface. The low yields of the old vines and their ability to explore the deeper layers of the subsoil assumed particular importance in a dry vintage such as 2015.
The vins clairs are fermented and aged in used Burgundy barrels, whose contribution is not sought as an aromatic element, but rather as a means of building texture and allowing slow oxygenation. Malolactic fermentation is avoided, and the wines are not filtered, in order to preserve the definition of the Chardonnay and its relationship with the terroir.
After approximately nine years of ageing on the lees, disgorgement took place in July 2025. The dosage, made with rectified concentrated must, is 3 g/l.
The aromatic profile is broad and complex. It initially reveals ripe yellow fruit and exotic nuances, with pineapple to the fore, followed by citron, citrus peel and an elegant bouquet of white flowers. Aromatic herbs introduce a fresher, more subtle dimension; notes of light honey, sweet spices and almond then emerge.
The structure is well defined, the effervescence fine and creamy, the texture ripe yet still dynamic: the generosity of 2015 finds its balance in the absence of malolactic fermentation and in the depth of Cramant’s chalk. A saline component runs through its development, bringing precision and continuity, while the long, persistent finish returns to citron peel, spices and a refined note of bitter almond.
Fleur de Passion 2015 is a Champagne of great charm, in which the richness of the vintage is brought back to elegance through the precision of Cramant. Ultimately, it demonstrates how reductive it is to interpret warm vintages solely through their level of acidity. Its balance derives instead from the relationship between old vines, the subsoil’s water reserves, grape ripeness and choices made in the cellar.
