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South Dakota

South Dakota, with its expansive prairies and rugged Badlands, presents a unique and challenging winegrowing environment in the American Midwest. The state's emerging American Viticultural Areas (AVAs) are characterized by a continental climate, with hot summers and cold winters that test the resilience of both vineyards and vintners. The region's dramatic temperature swings—warm days followed by cool nights—are crucial for developing complexity and maintaining acidity in the grapes. This diurnal temperature variation allows grapes to mature slowly and fully, much like the cooling effects of the Pacific on California's vineyards. In South Dakota, cooler-climate grape varieties are successful in areas with higher elevation and microclimates that mimic the temperate conditions, while the warmer, sheltered valleys are suited for cultivating bolder, more robust varieties.