Home Learn Vraison Decanter Staff November 10, 2010 French term for the moment when red-wine grapes change from green to black as they mature on the vine. Written by Latest Wine News Shipwreck full of Champagne found in Baltic Sea The first vines taking root in Burkina Faso Frost damage in German vineyards to cost millions Taiwanese billionaire Wood Chen linked to fake wine scandal Walls: Roussillon’s old vines are its best drought defence