Barossa Valley (wine) Barossa Valley is most commonly associated with its signature grape variety of Shiraz, the region does grow a number of grape varieties. Among these other varieties are Riesling, Semillon, Chardonnay, Grenache, Mourvedre and Cabernet Sauvignon. The popularity of Syrah has sparked interest in the development of other Rhone varieties, with increase production of Grenache and Mourvedre (also known as Mataro in Australia) for both blending and varietal bottlings. Many of these vines are remnants of the Barossa's fortified wine history and such have substantial age themselves. Despite its reputation as a red wine region, the Barossa Valley does produce a
California wine dubbed "Cal-Ital" reinvigorated the industry with new wine styles made from different varieties like Syrah, Viognier, Sangiovese and Pinot grigio. The Santa Cruz-based Bonny Doon Vineyard was one of the first wineries to promote these grape varieties in California actively. The large variety of wine grapes also encourages a large variety of wines. California produces wines made in nearly every single known wine style including sparkling, dessert and fortified wines. In the early 21st century, vintners have begun reviving heirloom grape varieties, such as Trousseau gris and Valdiguié. While Californian winemakers do craft wines in more "Old World" or European