Cossy Champagne has 7 hectares of vineyards, which are divided into 34 different plots. Her vineyard extends from Jouy-lès-Reims to Arcis-lePonsart, passing by Pargny-lès-Reims, Ville-Dommange, Courmas, Bouilly and Serzy-et-Prin. Following the valleys of Vesle and Ardre, it is part of the South domaines of Reims. The three main grape varieties are all present in the vineyards, with a dominance of the Pinot Meunier at 53%. The Pinot Noir and Chardonnay make up the rest of the estate, with 32% and 15% respectively.