The vineyard was planted in waves across nearly a century, each stage reflecting the viticultural thinking of its time. The semillon blocks were established between 1923 and 1927 on the pale, free-draining sandy loam of what was once an ancient riverbed – the oldest vines in the country for this variety. The shiraz followed in 1968, planted in the Mathews and Contours blocks on the denser red podzolic clays and heavier sandy loams toward the front of the property. Subsequent plantings continued through to 2011. Row spacings range from 2 to 3 metres across the site, with vine spacing of 1.5 metres; some rows follow the natural contour of the land while others run straight. Several rows contain multiple varieties. Average vine age across the site exceeds 50 years. Everything is now managed on VSP trellis with cane pruning, shoot thinning after budburst and selective bunch thinning at veraison. Yields are deliberately low – two to three tonnes per hectare for whites, with up to half the potential red fruit dropped in the pursuit of concentration. All harvesting is by hand, with fruit picked in selective passes by block.
The soils are the story of the site’s varietal logic. On the sandy loam of the ancient riverbed, century-old semillon produces wine with vibrant natural acidity and fine citrus character – free drainage prevents waterlogging while the underlying structure retains just enough moisture through the dry growing season. This section contains fossilised marine remnants, vestiges of the geological past that register as a mineral thread in the finished wine. The Mathews and Contours blocks, on heavier clay soils, give the shiraz its deeper colour, mid-palate weight and structural grip – the foundation of Vat 9. At the Contours block, a gentle rise exposes the vines to increased wind movement, moderating canopy temperature and slowing ripening, consistently producing shiraz with layered aromatics and well-integrated tannin. The chardonnay spans several blocks with varying soil profiles from clay through to sandy loam, with that diversity contributing to the wines’ retained freshness and depth. “These are some of the oldest vines in the world,” says Hutton. “They were planted long before I was born and, hopefully, will continue to thrive long after I’m gone.”
The Hunter Valley’s climate is the other half of the terroir equation. Summer days reach 35°C with 80 per cent humidity, but the Brokenback Range delivers cooling nights with a diurnal drop of around 15°C – the combination that makes the Hunter’s semillon style uniquely possible. Semillon ripens here at 10–11 Baumé, sugar levels that would seem austere in most regions, but in the Hunter produce a wine of piercing acidity that needs years to open and can reward decades of cellaring. “The hotter weather here allows the semillon to ripen at lower Baumé levels, which is key to the bright acidity and exceptional flavour that defines our semillon,” Hutton says. That same moderating influence, the hot day interrupted by the cool night, shapes the old-vine shiraz toward finesse over power – savoury, floral and finely textured, with a delicacy that is distinctly Hunter in character.
The Vat 47 Chardonnay has its own origin story. The Short Flat chardonnay block was established from cuttings taken without permission from the Hunter Valley Distillery’s old-vine chardonnay planting, believed at the time to be among the oldest in the world. Murray Tyrrell’s request to take cuttings had been refused; he went anyway. That act of vineyard larceny planted the block that now underpins one of the region’s most revered chardonnay wines.
Hutton has not managed this vineyard unchanged. The single most significant shift has been away from the region’s long-established approach to weed control. For decades, heavy cultivation under vines was the convention – eliminating competition for water on a site that has never had irrigation as a safety net. That practice came at a cost to soil structure and long-term resilience. Hutton has progressively replaced it with permanent mid-row swards and undervine mulching. “Working a 100% dry-grown vineyard has completely changed the way I think about managing vines,” he says. “It’s made me rethink everything, especially the importance of the soil microbiome in water retention.” The mulch alone produced an observable shift: cooler canopy temperatures, slower ripening, better flavour development, and measurably improved moisture retention across the site. Soil analysis showing nitrogen deficiency led to the introduction of targeted cover crops and products designed to encourage mycorrhizal fungi growth, improving soil structure, aeration and water infiltration. The result has been more balanced, vigorous vines – at the cost of more intensive shoot and bunch thinning to manage that vigour, a trade-off Hutton accepts readily. Vine and petiole tissue testing is conducted regularly to fine-tune nutrient management across blocks.
Pest management has followed the same trajectory. In partnership with the Department of Primary Industries, insectary plantings of flower species were established to encourage lacewings, ladybirds and other beneficial insects. “Initially I was hesitant,” Hutton says. “But now we’ve reached a point where we barely need chemical sprays. It was a huge moment.” Monitoring confirms increasing populations of natural predators across the site. Grapevine sunscreen is now applied earlier in the season than traditionally recommended, proactively reducing sunburn risk and managing heat stress before conditions demand a reactive response. Late pruning delays budburst and reduces frost risk. Tyrrell’s is a Sustainable Winegrowing Australia member, and the broader 644-hectare estate has native revegetation as an active priority, with invasive species removed and native trees planted across non-vineyard land.
Hutton’s goal is explicit: “My dream is a fully self-sufficient vineyard – no herbicides, no synthetic inputs, and a completely balanced, living ecosystem.” The 1923 semillon vines have survived a century of climatic extremes on dry-grown deep sands, through heat, drought, disease and flood. The work now being done – permanent swards, compost teas, cover crops, mycorrhizal programs, insectaries, vine sunscreen – is designed not to preserve them in amber but to extend their relevance into a warmer, more variable future. A site of this age and reputation is not maintained by inertia. It is actively remade, season by season, by someone paying very close attention.
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