Home Wine Grape Varieties Tinto Cao (red) Decanter Staff August 13, 2010 One of the rarest, high quality port grapes grown in the Douro Valley, highly prized for its spicy character. Written by Latest Wine News Christie’s to auction ‘last treasures’ of Avery family wine cellar Rathfinny Wine Estate releases UK’s first 50cl sparkling wine Pernod Ricard to acquire 280-hectare Provence estate