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
Gamay is commonly grown in the Niagara Peninsula in Canada, some producers being in the Short Hills Bench, Beamsville Bench and St. David's Bench to mention a few, as well as in Prince Edward County. Chàteau des Charmes in Niagara-on-the-Lake has a regional clone which they discovered, Gamay Noir Droit, which is a recognized mutation. It is also grown successfully by a small number of wineries in Australia to make a range of wines including light bodied red wines suitable for early drinking. Gamay has also been introduced into Oregon's Willamette Valley wine region, a place known for its wines made