Tempranillo Douro it is known as Tinta Roriz and mainly used in blends to make port wine. Tempranillo arrived in California bearing the name Valdepeñas, and it was grown in the Central Valley at the turn of the 20th century. Since the climate of the Central Valley was not ideal for the grape, it was used as a blending grape for jug wine. California has since started to use it for fine wines. In Texas, the soils of the High Plains and Hill Country have been compared to those of northern Spain. Tempranillo has been well received in Texas and has
Peloursin California vineyards that thought they were planted with Durif/Petite Sirah were found to be field blends that contain some plantings of Peloursin. In addition to being a parent of Durif, Peloursin was also crossed with Persan to create Joubertin. DNA testing also suggest a relationship between Peloursin and Bia blanc which share some morphological similarities but the exact nature of that relationship is not yet known. Plantings of Peloursin are often confused with its offspring Durif and this was particularly the case in California where many plantings of Petite Sirah/Durif were discovered to actually be Peloursin. In the Jura region,