Tempranillo blanco La Rioja province of northern Spain. While Tempranillo is a dark-skin variety used to produce red wine, the grower discovered that one of his vines had undergone a mutation that produced yellow-green clusters after veraison. In the 21st century, the University of La Rioja and the Agricultural Research and Development Centre (CIDA) worked with local wineries (such as Viña Ijalba) to help revive and establish native grape varieties such as Tempranillo. Currently Tempranillo blanco is found only in the Rioja wine region of Spain. In 2007, the Spanish Institute for Foreign Trade working with the "Consejo Regulador" of the Rioja
Creston District AVA acres with 1,365 planted in vineyards. It lies on an old erosional plateau at the base of the La Panza Range with alluvial terraces and fans of Huerhuero Creek. The area is in elevation. Average annual rainfall is . The district's soils consist of old, well developed terrace and hillside soils; mix of granite and sedimentary rock. The most widely planted varieties in the Creston District AVA are Cabernet Sauvignon, Syrah, Zinfandel, Merlot, Petite Sirah. Creston District AVA Creston District AVA is an American Viticultural Area located in the south east portion of the Paso Robles AVA in San Luis