What is the main white grape used in the production of Champagne?

The primary white grape used in the production of Champagne is Chardonnay. This grape is one of the three main varieties allowed in the Champagne appellation, along with Pinot Noir and Pinot Meunier. Chardonnay contributes elegance, finesse, and a range of flavors to Champagne, often providing notes of citrus, pear, and white flowers.

In the context of sparkling wine production, particularly in the traditional method typical of Champagne, Chardonnay is prized for its ability to age gracefully and its contribution to the wine's acidity, which is crucial for balance and freshness. This is why Champagne that is made exclusively from Chardonnay is often referred to as a "Blanc de Blancs."

Other grape varieties mentioned, such as Riesling and Sauvignon Blanc, are not used in the production of traditional Champagne, making them lesser contributors to this specific sparkling wine. Chenin Blanc is commonly associated with other regions, like the Loire Valley in France, and does not play a role in the making of Champagne. Therefore, Chardonnay stands out as the main white grape in this esteemed sparkling wine.