Zinfandel Sirah), Carignan, Grenache, Mourvèdre, Mission and Muscat. While most vineyards are now fully segregated, California winemakers continue to use other grapes (particularly Petite Sirah) in their Zinfandel wines. Zinfandel is grown on approximately 11% of California's vineyard land area. Around 400,000 short tons (350,000 tonnes) are crushed each year, depending on the harvest, placing Zinfandel third behind Chardonnay and Cabernet Sauvignon and just ahead of Merlot. In California, 20% of the Zinfandel-growing counties hold 80% of the Zinfandel growing area; however, major producing areas such as San Joaquin County, Stanislaus County, and Madera County produce Zinfandel primarily for blends or
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,