Chardonnay

What it is

Chardonnay is the only one of Champagne’s three main varieties with white skin and clear juice. At about 30 percent of plantings it ranks third by area, behind Pinot Noir (38 percent) and Pinot Meunier (32 percent). Commercially it is anything but marginal: it dominates the Côte des Blancs at 95 to 100 percent and provides the stylistic backbone of nearly every prestige cuvée.

Genetics and origin

Chardonnay is a natural cross of Pinot and Gouais Blanc, born in eastern France (on the Burgundy border) somewhere between the 12th and 14th centuries. DNA research by Carole Meredith (UC Davis) confirmed this definitively in 1998. The grape inherits the elegance of Pinot and the productivity of Gouais.

Soil and region

Chardonnay loves chalk. On the pure belemnite chalk of the Côte des Blancs (Avize, Cramant, Le Mesnil-sur-Oger, Oger, Oiry and Chouilly) it reaches its benchmark expression: mineral, taut, long-ageing. It also plays a leading role in east-facing Premier Cru villages on the Montagne de Reims (Villers-Marmery, Trépail) and in the southern zones of Sézanne, Vitryat and Montgueux. Plantings in the Côte des Bar are slowly growing.

Ripening and risk

Early budbreak. Frost-prone. With Champagne’s regular April frosts, that makes Chardonnay riskier than its reputation suggests. The 2021 spring frosts wiped out 80 percent of the Chardonnay harvest in some plots. The trade-off: it also ripens early, an advantage in cooler historical years. In today’s climate that shifts: ripening accelerates, acidity shrinks, sometimes too fast.

Susceptibility to fungal disease (powdery and downy mildew) is average. Better than Pinot Noir, worse than Meunier.

In the glass

Young: lemon peel, white flowers, green apple, chalk, sometimes flint. With long lees ageing (long autolysis), brioche, hazelnut and a waxy texture emerge. Acidity stays high thanks to the northern latitude and the chalk under the roots. Long finish with a saline accent from the chalk.

With 10+ years of age, honeyed notes appear, mandarin peel, smoked almond, and in top cuvées (Salon, Krug Clos du Mesnil) even a preserved-lemon accent that holds for decades.

Role in the blend

Two faces. As 100 percent Chardonnay it is Blanc de Blancs. As a blend component it brings freshness, length and minerality, while Pinot Noir contributes body and Meunier rounds things out. Chardonnay reserve wines are the most important tool that many big houses use to keep house style consistent across vintages.

Famous cuvées

• Salon Le Mesnil: 100 percent Chardonnay, vintage only, just 2-3 vintages per decade
• Krug Clos du Mesnil: single-vineyard Blanc de Blancs from one walled plot in Le Mesnil-sur-Oger
• Taittinger Comtes de Champagne: prestige Blanc de Blancs from Grand Cru parcels
• Roederer Cristal: 40 percent Chardonnay in the blend
• Dom Pérignon: 50 percent Chardonnay (varies by vintage)

When to drink

Young (1-3 years from release): aperitif, oysters, sashimi. Middle-aged (5-10 years): poultry, white fish with sauce, harder cheese. Older (10-20 years): mushroom dishes, langoustines with saffron, aged Comté.

Beyond Champagne

Chardonnay is global: Burgundy (Chablis, Meursault, Montrachet), California, Australia, Chile, South Africa. But nowhere does it combine such high acidity with so much terroir expression as on the chalk of Champagne.