 The property is also home to old vine Grenache plantings that are over 90 years old with the a block of Grenache vines that were first planted in 1920.Turkey Flat produces a number of wines including a GSM blend from their old vine Shiraz, Mataro and Grenache.They also produce varietal wines from those grapes, including "rosés", as well as wine from Cabernet Sauvignon, Marsanne and Sémillon.