California’s Grenache Blanc Has a Founding Document

California’s Grenache Blanc didn’t happen by accident. In the late 1980s, Tablas Creek Vineyard imported the cuttings directly from Château de Beaucastel in the Southern Rhône and planted them in Paso Robles — a documented transplant with an actual paper trail, not a case of an American producer independently discovering a European grape and reverse-engineering […]