Ronald Angas planted the distinguished Edelstone Vineyard in 1912. The forty acre site was planted to Shiraz vines, probably sourced through Joseph Gilbert at Pewsey Vale. The original pre-phylloxera material most likely originated from the James Busby selection, which was propagated by Samuel Smith of Yalumba in the 1850s. Whilst planted purely as a Shiraz vineyard, there have been found ten rogue vines of bastardo. The anthocyanins in the berries at Mount Edelstone are very high which indicates the superior quality of Shiraz. The finished wine is matured in a selection of seasoned and new French and American oak hogsheads for eighteen months prior to assemblage.