Ozark Mountain AVA

Ozark Mountain AVA was established on July 2, 1986, becoming the nation's 110th AVA and both Oklahoma's first and Missouri's third. Its viticultural history stretches back to the mid-1800s, when German settlers planted grapes along the Missouri River. By 1845, nearly 50,000 vines were growing near Hermann, a number that exploded to 700,000 by 1849. Swiss-German Catholics settled near Altus, Arkansas in the 1880s, while Italian immigrants established wine communities in Tontitown, Arkansas and Rosati, Missouri in 1898. Prohibition effectively halted production through the 1920s, and a genuine resurgence did not begin until the 1960s and 1970s. By the time the AVA was formally established, wine labels from producers including Wiederkehr Wine Cellars had already carried an ATF-approved appellation designation since 1959.

• German settlers had 700,000 vines near Hermann, Missouri by 1849
• Italian immigrants established wine communities in Tontitown and Rosati in 1898
• Wiederkehr Wine Cellars used an ATF-approved appellation on labels from 1959
• At establishment, 35 wineries farmed approximately 4,280 acres under vine

Ozark Mountain AVA covers approximately 3.5 million acres of elevated plateau, making it one of the most geographically significant wine regions in the American Midwest. The Ozark Highlands sub-region sits at approximately 1,100 feet elevation and represents the only extensive elevated area between the Appalachian and Rocky Mountains. The region is bounded by five major rivers: the Mississippi, Missouri, Osage, Neosho, and Arkansas. This mountainous terrain generates innumerable small microclimatic temperature zones, which viticulturists rely on heavily when selecting vineyard sites. Soils range from stony, well-drained limestone-based types to sandstone, loam, and clay, with sandy loam over limestone bedrock being particularly common.

• Ozark Highlands is the only extensive elevated plateau between the Appalachians and Rockies
• Elevation in the Ozark Highlands sub-region reaches approximately 1,100 feet
• Soils include limestone-based stony soils, sandstone, loam, sandy loam, and clay
• Hilly to mountainous terrain creates diverse microclimatic zones ideal for site selection

Ozark Mountain AVA experiences a continental climate characterized by hot, humid summers and cold winters, with hardiness zones ranging from 6a to 8a across the appellation. These conditions are particularly well-suited to Franco-American hybrid grape varieties, which are better adapted to temperature extremes and disease pressure than Vitis vinifera alone. The mountainous terrain plays a decisive role in shaping local conditions, producing a wide array of microclimates that allow growers to identify sites with meaningful differences in temperature, frost timing, and air drainage.

• Continental climate with hot, humid summers and cold winters
• Hardiness zones span 6a to 8a across the appellation
• Climate favors Franco-American hybrid varieties over pure Vitis vinifera
• Mountainous terrain creates innumerable distinct microclimatic zones

Ozark Mountain AVA produces wines from Vitis vinifera, Vitis labrusca, and a wide range of French-American hybrid varieties. Norton (also known as Cynthiana) is a leading native American variety in the region, alongside hybrids such as Chambourcin, Vidal Blanc, Seyval Blanc, Traminette, Vignoles, Chardonel, and Cayuga. Labrusca varieties including Catawba and Concord are also cultivated. Wine styles range broadly from dry to sweet, and the region also produces fruit wines and mead. This diversity reflects both the region's varied climate and soils and its long history of immigrant winemaking traditions.

• Norton (Cynthiana) is a signature native American variety in the region
• French-American hybrids dominate, including Chambourcin, Vidal Blanc, and Vignoles
• Wine styles range from dry to sweet, with fruit wines and mead also produced
• Vitis vinifera, Vitis labrusca, and French hybrids are all cultivated

Ozark Mountain AVA is classified as an American Viticultural Area and ranks as the sixth-largest AVA in the United States. Within its boundaries sit four established sub-AVAs: Augusta, Hermann, Ozark Highlands, and Arkansas Mountain. Augusta holds the distinction of being the first AVA established in the United States. More than 70 wineries currently operate within the Ozark Mountain AVA, with the vast majority located in Missouri. Notable producers include Wiederkehr Wine Cellars, St. James Winery, Shawnee Bluff Winery, Riverbird Winery, and Sassafras Springs Vineyard and Winery.

• Sixth-largest AVA in the United States by area
• Contains four sub-AVAs: Augusta, Hermann, Ozark Highlands, and Arkansas Mountain
• More than 70 wineries operate in the region, nearly all in Missouri
• Established as the 110th AVA nationally, Oklahoma's first, and Missouri's third