The Steading is a Barossa blend of 50% Grenache, 31% Shiraz, 19% Mataro (Mourvedre) with vineyards that predate the outbreak of phylloxera in the 1880’s. Ian Hongell reflects, “We’re working with soils that are 250 million to one billion years old.” This wine is aged for 20 months in large-format 4…