Pickers in Sauternes go through the vines as many as six or seven times each autumn, taking only the berries that Botrytis cinerea, noble rot, has shrivelled and concentrated that week. It is slow, expensive, and the reason a single vine here might yield barely a glass of wine.
Where the rot comes from
Sauternes sits where the cold, spring-fed Ciron river meets the warmer Garonne, and the temperature difference throws up mist most autumn mornings. That damp start lets botrytis take hold on the ripe grapes; the sun that follows most afternoons dries the berries before rot turns to something less useful. Semillon, thin-skinned and prone to botrytis, usually makes 70 to 80 percent of the blend, with Sauvignon Blanc for acidity and a little Muscadelle for perfume. The result is one of the world's classic botrytised dessert wines.
The 1855 hierarchy
Sauternes was ranked alongside the Médoc in 1855, but on its own scale: Château d'Yquem stood alone as Premier Cru Supérieur, above eleven Premiers Crus including Rieussec and Suduiraut, and fifteen Deuxièmes Crus. This remains the only sweet wine classification within Bordeaux's wider hierarchy. The neighbouring commune of Barsac, cooler and flatter, can label its wine either Sauternes or Barsac and includes classified estates such as Coutet and Climens. Outside the classified names, small growers across the five communes make Sauternes at a fraction of Yquem's price, using the same method and often the same grapes.
FAQ
Is Sauternes only for dessert?
No. Foie gras is the classic match, but it also cuts through blue cheese and pairs surprisingly well with spiced or citrus-driven dishes, not just puddings.
How long does Sauternes keep?
Decades. The sugar and acidity that define the wine act as natural preservatives, and top vintages from Yquem and its peers are still vital at fifty years and beyond.
Why is Sauternes so labour-intensive?
Botrytis does not spread evenly across a vineyard or even a single bunch, so pickers must return repeatedly to select only affected berries, sometimes into November.