The Texas Hill Country wineries have roots as old as any around. Texas grapes grow in soils made from ancient sea deposits, similar to the grape-growing regions of Europe. Texas wine culture arrived in the 1600s with Spanish missionaries who settled and planted vineyards in El Paso del Norte. The 1800s brought German and Italian immigrant farmers to Texas; they considered wine a staple of everyday life. In what is now America's No. 5 wine-producing...