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Diemersdal Winter Ferment Sauvignon Blanc 2025

A boundary-pushing Durbanville Sauvignon Blanc, made from juice frozen for months and then fermented in the Cape winter. It has heady aromas of grapefruit, passion fruit and pineapple, a rich, full palate, zesty acidity and a savoury finish.
Crisp & Dry
£20.95
More Information
Producer Diemersdal
Country South Africa
Region Durbanville
Wine Type White Wine
Body / Style Crisp & Dry
Grape Blend 100% Sauvignon Blanc
Bottle Size (ml) 750
% Abv 13
Vintage 2025
Special Features Sustainable, Vegan
Extra Info Lush tropical explosion
Food Pairing Guide This full, tropical Sauvignon Blanc is at its best with bold, aromatic food. Try it with Thai green curry, Malaysian laksa, Vietnamese caramel pork or Indian-spiced prawns. Its ripe fruit also suits sweet heat, such as sticky chilli chicken or pineapple-glazed gammon. It goes very well with seafood: tuna ceviche with mango and lime, grilled langoustines, or crab cakes with a sweet chilli dip. Fresh goat’s cheese and creamy burrata are excellent with it. For a vegetarian match, try a butternut squash and coconut curry or a roasted vegetable tagine with apricots. It’s also a vivid, crowd-pleasing aperitif when well chilled.
*Please note - the image may not reflect the current vintage

Diemersdal Winter Ferment Sauvignon Blanc is one of South Africa’s most original white wines, and it shows the Louw family’s restless experimentation with their signature grape. Owner-winemaker Thys Louw created it in pursuit of the most tropical Sauvignon Blanc possible. His method is unusual. After harvest, the juice is frozen at -20°C for around five months, then thawed and fermented in the middle of the Cape winter. The freezing roughly doubles the level of aromatic thiols compared with even a very tropical Sauvignon, and the result is a wine of remarkable intensity. It has been recognised in the FNB Sauvignon Blanc Top 10 and won the Sauvignon Blanc trophy at the National Young Wine Show.

In the glass it is exuberant and generous. Ripe grapefruit, passion fruit and pineapple fill the nose, with wider tropical and citrus notes behind them. The palate is rich and full, and lively, zesty acidity keeps it fresh and balanced. It ends on a satisfying savoury note. Louw calls it the most New World style of Sauvignon Blanc he has made. It’s a thrilling bottle for anyone who loves the variety’s tropical side, and a natural match for spicy, aromatic cooking.



After harvest, the Sauvignon Blanc juice is frozen at -20°C and held there for around five months. It is then thawed and fermented in the depths of the Cape winter. Freezing increases the juice’s levels of thiols, the aromatic compounds behind Sauvignon Blanc’s tropical character. The Winter Ferment typically measures around 5,000 nanograms per litre, roughly double what counts as high for a tropical-style South African Sauvignon Blanc. The cool winter fermentation keeps those aromatics intact, giving an intensely expressive, richly textured wine.
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