The red grape variety (also known as pepper Cabernet) originates from California, but there are a number of legendary stories and ambiguities surrounding its origin. The question arises as to whether it is an independent variety at all. The original vine was supposedly discovered and selected in California's Santa Clara Valley in the 1880s by William Pfeffer, who immigrated from Germany in 1850. It was thought to be a cross between Cabernet Sauvignon x...
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