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Wild Ferment Sauvignon Blanc, Rustenberg

Rustenberg
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Technical Analysis
Alcohol
13.0
Residual sugar
4.0
pH
3.23
Acidity
5.8
Download Specification Sheet Download Full Size Images
The Rustenberg Wild Ferment Sauvignon Blanc is grown at some of the highest altitudes that vineyards are grown in the Stellenbosch region; just over 550m above sea level.
Tasting note

Melon, white peach, gooseberry, and underlying tones of pineapple. Rich, rounded palate with well-integrated oak.

Origin
South Africa
Variety
Sauvignon Blanc
Malolactic Fermentation
Partial
Bottle Size
75cl
Vegetarian
No
Winemaker
Murray Barlow
Fining Agent
Isinglass & Bentonite
Closure
Screw top
Region
Simonsberg-Stellenbosch
Vegan
No

Vinification details

After hand harvesting, the grapes were crushed, de-stemmed and pressed before fermentation in French oak barrels with a wild yeast. Following fermentation, the wine spent six month on its lees in 12% new oak, 88% 2nd- and 3rd-fill, prior to bottling.

AWARDS
IWC 2024 Silver
IWC: Silver
DWWA: Bronze
IWSC: Bronze
Technical Analysis
Alcohol
13.0
Residual sugar
2.3
pH
3.46
Acidity
5.1
Download Specification Sheet Download Full Size Images
The Rustenberg Wild Ferment Sauvignon Blanc is grown at some of the highest altitudes that vineyards are grown in the Stellenbosch region; just over 550m above sea level.
Tasting note

Intrinsic Sauvignon Blanc characteristics of melon, white peach, gooseberry, and underlying tones of pineapple and passion fruit, sustained on a rich, rounded palate with well integrated oak.

Origin
South Africa
Variety
Sauvignon Blanc
Malolactic Fermentation
Partial
Bottle Size
75cl
Vegetarian
No
Winemaker
Murray Barlow
Fining Agent
Isinglass & Bentonite
Closure
Screw top
Region
Simonsberg-Stellenbosch
Vegan
No

Vintage conditions

The 2019 vintage was a challenging one for the Rustenberg team. While the winter of 2018 was a welcome break from the previous four winters of drought, most vineyards had not fully recovered and produced below average yields. A warm snap in June and a wet Spring, coupled with a wetter than average Summer harvesting season made 2019 a challenge, with some late harvest thinning or multiple harvests of the same vineyard required to achieve uniformity. Early and mid-season ripening varieties performed well, all achieving flavour ripeness at lower alcohol levels, while late ripening varieties required patience and extended time on the vines, again achieving lower alcohols overall, but creating ripe, structured wines.

Vinification details

After hand harvesting, the grapes were crushed, de-stemmed and pressed before fermentation in French oak barrels with a wild yeast. Following fermentation, the wine spent six month on its lees in 12% new oak, 88% 2nd- and 3rd-fill, prior to bottling.

Technical Analysis
Alcohol
13.0
Residual sugar
3.5
pH
3.39
Acidity
5.2
Download Specification Sheet Download Full Size Images
The Rustenberg Wild Ferment Sauvignon Blanc is grown at some of the highest altitudes that vineyards are grown in the Stellenbosch region; just over 550m above sea level.
Tasting note

Intrinsic Sauvignon Blanc characteristics of melon, white peach, gooseberry, and underlying tones of pineapple and passion fruit, sustained on a rich, rounded palate with well-integrated oak.

Origin
South Africa
Variety
Sauvignon Blanc
Malolactic Fermentation
Partial
Bottle Size
75cl
Vegetarian
No
Fining Agent
Isinglass, Bentonite
Closure
Screw top
Region
Simonsberg-Stellenbosch
Vegan
No

Vintage conditions

The 2019 vintage was a challenging one for the Rustenberg team. While the winter of 2018 was a welcome break from the previous four winters of drought, most vineyards had not fully recovered and produced below average yields. A warm snap in June and a wet spring, coupled with a wetter than average summer harvesting season made 2019 a challenge, with some late harvest thinning or multiple harvests of the same vineyard required to achieve uniformity. Early- and mid-season-ripening varieties performed well, all achieving flavour ripeness at lower alcohol levels, while late-ripening varieties required patience and extended time on the vines, again achieving lower alcohols overall, but creating ripe, structured wines.

Vinification details

After hand harvesting, the grapes were crushed, de-stemmed and pressed before fermentation in French oak barrels with a wild yeast. Following fermentation, the wine spent six month on its lees in 12% new oak, 88% 2nd- and 3rd-fill, prior to bottling.

Technical Analysis
Alcohol
13.5
Residual sugar
4.1
pH
3.28
Acidity
6.0
Download Specification Sheet Download Full Size Images
The Rustenberg Wild Ferment Sauvignon Blanc is grown at some of the highest altitudes that vineyards are grown in the Stellenbosch region; just over 550m above sea level.
Tasting note

Intrinsic Sauvignon Blanc characteristics of melon, white peach, gooseberry, and underlying tones of pineapple and passion fruit, sustained on a rich, rounded palate with well-integrated oak.

Origin
South Africa
Variety
Sauvignon Blanc
Malolactic Fermentation
Partial
Bottle Size
75cl
Vegetarian
No
Fining Agent
Isinglass, Bentonite
Closure
Screw top
Region
Simonsberg-Stellenbosch
Vegan
No

Vintage conditions

This vintage was impacted by the fourth year of the ongoing drought in the region. The 2017 winter was cold and dry, followed by a dry spring and summer, with bouts of unusual weather. A number of thunderstorms resulted in a late onset of additional vigour in the vineyards. Unsettled weather and wind during flowering, along with a freak hail storm and low levels of soil moisture decreased yields by 20% to 50%. The harvest began closer to its average start date and the smaller berries and bunches yielded lower juice volumes per ton. The lower yields resulted in the wines showing excellent concentration and body, producing fruit forward, expressive whites.

Vinification details

After hand harvesting, the grapes were crushed, de-stemmed and pressed before fermentation in French oak barrels with a wild yeast. Following fermentation, the wine spent six month on its lees in 12% new oak, 88% 2nd- and 3rd-fill, prior to bottling.