A constant persuit of excellence in every aspect of production is the key to the success of John and Margarete Glaetzer's family business, which produces John's Blend. Official Red Five Star Winery in the 2011 Wine Companion John and Margarete have seen their vision come to fruition when the 1974 John's Blend was first released in 1977. This classic Australian red wine continues the award winning success story of John Glaetzer, over many years of wine making for some of Australia's top wine producers.

Over 30 years experience of fine wine making has established John Glaetzer to hand craft these uniques reds. Small batches of Cabernet Sauvignon grapes from the alluvial soils of Langhorne Creek and Shiraz from Langhorne Creek and McLaren Vale are crushed, fermented, pressed and blended into oak hogsheads for maturation. These small batches of grapes become John's Blend, a select, super premium label with limited production. In 1995 a rich and intense Margarete's Shiraz was added to the label, a perfect companion to the Cabernet Sauvignon - both wines offer a unique experience to red wine connoiseurs all over the world.

The 2019 Margarete's Shiraz is a full-bodied, dry red displaying exceptional rich intense chocolate and mint characters.