California Wines California wine production has a rich viticulture history since 1680 when Spanish Jesuit missionaries planted Vitis vinifera vines native to the Mediterranean region in their established missions to produce wine for religious services. In the 1770s, Spanish missionaries continued the practice under the direction of the Father Junípero Serra planted California's first vineyard at Mission San Juan Capistrano. The state produces about ninety percent of the American wine supply and is the fourth largest wine producer among the world's independent nations. It has more than 1,200 wineries ranging from home-grown and small boutiques to large corporations with international distribution.

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