According to sam bilbro of the winery idlewild , today 93 % of all of northern california 's viticultural acreage is planted with the same eight major grape varieties . "

据Idlewild葡萄酒酿造厂的萨姆•比尔博介绍，如今在北加利福尼亚地区的葡萄庄园中，93%的土地上都种植着八种常见的葡萄品种。