Durif The vine is a popular planting in Lake, Mendocino, Sonoma, Napa, Monterey and San Joaquin County. In addition to being produced as a varietal wine, the grape is sometimes blended with Zinfandel. In years when heavy rain or excess sun has weakened the quality or yield of Cabernet Sauvignon or Pinot noir plantings, Petite Sirah may also be used as a blending partner to strengthen the wine. The average age of Petite Sirah vines tends to be older than that of most Californian vines. As of December 2007, the TTB lists both Petite Sirah and Durif in 27 CFR §
Baja California wine industry Petite Sirah than its cousins in Italy. These vines arrived after World War II but identification tags were lost in transit, so no one knows exactly what varieties they are. Many growing and production methods are newer as most wineries have been in existence for only a short time. Many vineyards are new or recently replanted using modern cultivation techniques, improved rootstocks and cultivars. Most wines are fermented in stainless steel. Length of maceration and fermentation depends on the producer. Red wines are usually aged in French or American oak for a period of between a couple to as many