Cova da Beira wine Cova da Beira wine Cova da Beira is a Portuguese wine region centered on the Cova da Beira region between the Dão and Vinho Verde DOCs in the wider Beiras VR wine region. Cova da Beira was initially a separate "Indicação de Proveniencia Regulamentada" (IPR) region (and was the largest IPR in Portugal in terms of land planted with vines), but in 2005, it became one of three subregions of the Beira Interior DOC, which has the higher "Denominação de Origem Controlada" (DOC) status. Its name may still be indicated together with that of Beira Interior, as Beira Interior-Cova da
Texas wine Houston. In recent years this area's wine industry has been hard hit by Pierce's Disease. The high humidity around the northern end of this area makes it difficult to grow vinifera grapes, while vines in the Muscadine family flourish. Roughly in the center is the Texas Hill Country AVA where vinifera is grown. At the far southwest end of this region, along the Mexico–United States border is the state's oldest winery, Val Verde, which has been in operation for over a century, making sweet fortified wines. The central-western third of the state is known as the Trans-Pecos Regions which produces