Riverstar Vineyards was first planted in 1993. The approx.60 acres consisted of 16ac. Cabernet Sauvignon, 13.5ac Syrah,29.5ac Merlot, planted on their own root. The spacing is 10/6 and 10/5. In `06 the Cabernet Sauvignon was grafted to Sauvignon Blanc, Merlot to Cabernet Sauvignon, Zinfandel & Merlot were added in`07.