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 and Pinot Meunier. 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.

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 trade-off: it also ripens early, which was an advantage in cooler historical years. In today’s climate that shifts: ripening accelerates, acidity shrinks.

In the glass

Young: lemon peel, white flowers, green apple, chalk. With long lees ageing, brioche, hazelnut and a waxy texture emerge. Acidity stays high thanks to the northern latitude and the chalk under the roots.

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.