White wine the death knell of northern viticulture. The vine disappeared from northern Germany and Baden, and the maximum altitude for viticulture descended to 220 metres. Hans-Jürgen Otto noted that: "all the vineyards suffered and decreased in area". In England the vine also disappeared. The less early vineyards preferred to select white varieties of grapes because, even if unripe, white grapes allowed wine that was a little sour to still be consumable, while red grapes do not give enough colour and green tannins make the wine bitter. The interruption of the fermentation by a cold winter led to the discovery of the
White Diamond White Diamond White diamond may refer to: White Diamond Chinese name: gems, white diamonds English nickname: Diamond Blanc, Moore's Diamond, Moores Diamond Country of origin: United States Planting area: New Zealand, the United States, Croatia History: “White Diamond” is a premium white grape variety from the United States. At around 1870, a private grape grower from New York - Jacob Moore, succeeded in nurturing it. The variety was bred by hybridization between Concord and Iona. Diamonds were originally suggested as eatable grapes, but because of their great potential to serve as winery raw products, the white diamond grapes later used