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 Decanter magazine December 2025: See what’s inside Photo highlights from Decanter Fine Wine Encounter Singapore 2025 Peter Fraser, Yangarra Estate winemaker, dies at 51 The ethical drinker: Climate ‘trailblazers’ championed in new book Wine prices: Which is Europe’s most expensive country?