Collett Wine Group owns over 2,000 hectares of vineyards in South Australia, producing high-quality wines for its brands. 

McLaren Vale

A high-value region for mid- to premium-tier Shiraz.

Core Grape Varieties：

· Shiraz-flagship variety, full-bodied with elegance

· Grenache-strong old-vine presence

· Cabernet Sauvignon

· Also well suited to Mediterranean varieties: Tempranillo / Sangiovese / Fiano / Vermentino

Climate：

· Mediterranean climate with cooling sea breezes, ensuring consistent ripening and rounded styles.

Soils：

· Highly diverse (over 40+ soil types)

· Including sand, clay, ironstone, and limestone → contributing complexity and subregional character

Viticulture & Management Advantages：

· High ripeness levels with stable sugar–acid balance

· Relatively low disease pressure

· High proportion of old vines, with widespread organic and sustainable practices

Barossa Valley

A world-class iconic region for premium, powerful styles.

Core Grape Varieties：

· Shiraz

· Grenache

· Mataro（Mourvèdre）

· Semillon（old-vine, dry style ）

Climate：

· Warm conditions → concentrated fruit, full-bodied structure, and ripe tannins

Soils：

· Red soils, sandy loam, with clay foundations → contributing structure and intensity

Viticulture & Management Advantages：

· One of the world’s largest concentrations of old vines, including vines over 100 years old

· Near “zero-risk” ripening with strong vintage consistency

· Highly consistent styles, well suited to standardisation and quality control

Limestone Coast

One of Australia’s most representative Cabernet Sauvignon regions.

Core Grape Varieties：

· Cabernet Sauvignon-world renowned, particularly from Coonawarra

· Shiraz

· Chardonnay

· Sauvignon Blanc

Climate: 

· Cool to cool-moderate conditions → refined aromatics and tight structural profiles

Soils：

· Iconic Terra Rossa soils over limestone → excellent drainage, deep root penetration, and pronounced mineral and structural expression

Viticulture & Management Advantages：

· Extended ripening periods delivering finer tannins and elegant styles

· Strong acid retention with outstanding ageing potential

· Lower disease pressure compared to warmer regions

Langhorne Creek

Reliable quality with strong cost efficiency｜A strategic supply region.

Core Grape Varieties：

· Cabernet Sauvignon – highly consistent quality with strong value

· Shiraz

· Malbec – particularly strong performance in this region

· Blends – an important source for Australian blended wines

Climate: 

· Warm conditions moderated by lakes and sea breezes → reliable ripening without excessive heat

Soils：

· Deep alluvial soils with limestone components → high yield potential with consistent quality

Viticulture & Management Advantages：

· Very stable ripening

· An ideal balance between volume and quality

· High levels of mechanisation and operational efficiency

By spanning four core regions—McLaren Vale, Barossa Valley, Limestone Coast, and Langhorne Creek—CWG has established a strategic vineyard footprint that combines premium wine production, stable scalable supply, and flexible multi-style offerings, forming a long-term, differentiated product foundation for global markets.