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John Duval Wines Plexus



My aim with Plexus is express the wide spectrum of red fruit flavours from Shiraz, Grenache and Mourvedre and also provide structure with a seamless balance and long finish. 

Traditional, low intervention winemaking techniques are employed with Plexus, allowing the wine to be approachable in its youth, but also have medium term cellaring potential for 8-10 years.

Region:  Barossa 

Variety: Shiraz 53%, Grenache 29%, Mourvedre 18%. The Shiraz was sourced from old vineyards in the Krondorf, Ebenezer and Eden Valley regions, Grenache from the Tanunda, Ebenezer and Greenock regions and Mourvèdre from the Light Pass and Ebenezer regions.

Winemaking: Fermentation with submerged cap and small open stainless steel fermenters.Grenache saw a small inclusion of whole bunches.

Oak Maturation:  100% barrel maturated for 15 months, with just 13% new fine grain French oak hogsheads (300 litre barrels); with the balance in older seasoned hogseads.

Technical Notes:
Alcohol 14.5%
pH 3.55
TA 6.10 g/l


  • Colour: Vibrant purple-red
  • Nose: Intense red and black berries enchanced by lifted spice and floral notes, licorice and dried herbs.
  • Palate: Just over medium bodied, with a dark core of concentrated, ripe red and black fruits. Ample structure provided by smooth, fine tannins adn bright acidity. Finishes long and spicy.

Download Tasting Notes