Terret gris
Terret gris is a white French wine grape variety planted primarily in the Languedoc wine region. It is a mutation of the ancient Vitis vinifera vine Terret. Appellation d'origine contrôlée (AOC) regulations allow the grape to be used in white wines from the Corbières, Coteaux du Languedoc and Minervois AOCs as well as some vin de pays. The vine has a very long history in the region and is capable of producing full bodied wines with crisp acidity.
Terret blanc is the white mutation of the grape. In official statistics, the plantings of two "light-berried" Terret grapes (as distinguished from Terret noir, one of the permitted blending grapes for Châteauneuf-du-Pape AOC) are often counted together. The varieties reached their peak in French wine productions in the late 1980s when together the Terret varieties were the ninth most widely planted white grape variety. In the Languedoc, plantings of Terret were equal to that of Chardonnay.