The flames have, so far, spared Bordeaux’s vineyards. The smoke may be less merciful.
One of the largest wildfires in modern French history has burnt through roughly 42,000 hectares west of the city, forced around 220,000 people from their homes and destroyed hundreds of properties. No vines, cellars or wineries are known to have been lost and Bordeaux’s famous appellations remain intact.
For growers preparing to pick an exceptionally early crop, however, intact is not quite the same thing as unharmed.
Smoke has drifted across vineyards in Pessac-Léognan and Fronsac. It has closed wineries, sent staff home and persuaded estates to turn away visitors. At Château Smith Haut Lafitte, where the fire came within roughly 10 miles, managers prepared to move the horses, chickens, goats and llamas should the flames come closer. The estate also filled water tanks and offered its tractor drivers to firefighters.
A firefighter beats back the smouldering blaze in the forest of Le Porge just short of Bordeaux (AFP/Getty)
“For the wine industry, it’s one thing on top of the other,” managing director Ludovic Fradin told The New York Times. “It doesn’t make our lives very easy.”
That does not mean the 2026 vintage has been spoiled. Smoke over a vineyard makes for alarming television but inconclusive wine science. A plume might blow through and leave almost nothing behind. Equally, grapes that look and taste perfectly healthy can carry compounds that emerge only after they have been picked, pressed and fermented.
It’s called “smoke taint”. When trees and vegetation burn, they release volatile phenols that grapes can absorb. Some attach themselves to sugars inside the fruit, neatly hiding from the nose and the palate. Fermentation can set them loose again, producing flavours variously described as smoky, medicinal, burnt or like licking a cold fireplace.
We are facing something we have never seen before
Thomas Duroux, Château Palmer general director
Unlike hail, frost or mildew, the damage can become more obvious after bottling, by which point the grapes have been harvested, the wine made and a great deal of money spent.
A grower cannot stand under an orange sky, chew a berry and declare the crop ruined. Nor can they declare it safe. The freshness and density of the smoke matter, as do wind direction, duration, distance from the fire, grape variety and what eventually happens in the cellar.
Bordeaux may at least have one advantage over the fire-scarred vineyards of California. Its flatter landscape and shifting winds are less likely to trap smoke for days between mountain ranges. Fradin said the clouds had moved on within a day or two.
Smoke has reached Bordeaux vineyards – putting this year’s harvest at risk (Getty)
Still, the fire could hardly have chosen a more inconvenient moment. The grapes at Smith Haut Lafitte have entered véraison, the stage in the grapevine’s annual cycle when the fruit softens, and red varieties change colour. Its whites are expected to be picked in mid-August and its reds in early September. Elsewhere in Bordeaux, the first grapes destined for Crémant could be harvested as early as the first week of August.
The period between véraison and harvest has traditionally been considered the point at which grapes are most vulnerable to smoke, although newer research suggests earlier exposure can also leave traces. Either way, this is the growing season’s final sprint. Producers have less time to take samples, receive lab results and decide whether suspect fruit should be picked separately.
Bordeaux has been here before. In 2022, fires at La Teste-de-Buch and Landiras sent smoke across Gironde and prompted warnings of a tainted vintage. Laboratoire Excell tested around 400 samples and found no evidence that smoke would affect the taste of the wine.
That is reassuring, but not a transferable guarantee. Smoke taint is stubbornly local. One vineyard can sit under fresh, dense smoke while another a few miles away receives a faint, short-lived plume. Bordeaux is far too large for a photograph of an apocalyptic sky – or one clean lab result – to speak for the entire region.
Smoke may not even be the greatest threat to this year’s Bordeaux.
Grand Verdus says fire warnings are already hitting vital wine tourism (AP)
Before the fire began, growers were already looking at a small crop. An extremely wet winter was followed by record heat and very little rain. Young vines suffered first because their roots cannot reach deep reserves of moisture. Mature vines may begin shutting down to protect themselves, leaving berries to shrivel on the plant.
In Margaux, where the vineyards remain untouched by the fire, Château Palmer says water is the real emergency. Local wine authorities have sought exceptional permission to irrigate producing vines, rather than only young and fragile plants, but many estates do not have enough water to cover their vineyards.
“What we are experiencing this year is a wake-up call,” Thomas Duroux, the estate’s director general, told Reuters. “We are facing something we have never seen before.”
Climate change has not been uniformly disastrous for Bordeaux. Warmer years have delivered riper grapes, richer wines and several highly regarded vintages. There is, though, a difference between helpful warmth and heat that causes vines to stop functioning.
It is altering the style of the wine as well as the size of the crop. Faster ripening raises sugar and potential alcohol while acidity falls. Gabriel Barre of Château La Grave told The New York Times: “Bordeaux wines are known for their balance. But in recent years, we’ve been producing sun-drenched wines. What I mean by that is wines that burst on the palate – wines that are sweet, even too sweet.”
Bordeaux winemakers face falling demand alongside heat, drought and fire (AFP/Getty)
Bordeaux has long been wrestling with falling consumption, weaker exports, oversupply and depressed prices. Growers are being paid to uproot vineyards. Its fine-wine market has lost nearly a fifth of its value over five years. The old certainties – that the weather would broadly behave, that the market would absorb the wine and that the next generation would take over – have begun to collapse.
Tourism has been hit, too. Although the fires have touched only a fraction of the vast Gironde region, images of smoke over Bordeaux do not come with helpful maps explaining which château is open. Some wineries have shut temporarily, visitors have been asked to postpone trips and official warnings to avoid the area have spread far beyond the evacuation zone.
“Tourism was really the only dynamic part of the business that was still growing, both for us and, more generally, for Bordeaux wines,” Edouard le Grix de la Salle of Grand Verdus told the Associated Press. “And now this comes along as a brake.”
An estate does not need scorched vines to lose a week of tastings, lunches and direct sales. For businesses operating on narrowing margins, the damage can begin long before a lab finds anything smoky in a grape.
It is not about whether collectors will be denied a glorious 2026. It is about what happens when a region already losing growers, drinkers and confidence is asked to swallow another shock.
The flames have not burnt Bordeaux’s vineyards. The smoke may yet leave nothing behind. But growers will not know that from looking at the sky. They will know it from test results, fermentation tanks and, eventually, the glass.
For now, fire is the emergency, drought is the damage and smoke is the thing waiting to declare itself.
Dining and Cooking