Analysts warn French maize crop could halve, deepest EU loss in decades

A summer of relentless heat and drought across Europe is inflicting severe damage on agricultural production, with France's corn crop set to fall 35% to its lowest level since at least 1980, Britain bracing for its worst grain harvest on record, and vegetable prices surging as farmers warn of shortages heading into autumn.

France's Harvest in Freefall

France, the European Union's largest grain producer, now expects its maize harvest to drop to 9 million metric tons this year, a 35% decline from 2025, according to the agriculture ministry's latest estimates published on August 7. Reuters reported Thursday that some analysts expect conditions to worsen further, with commodity data firms Expana and Argus projecting output could fall by about half to less than 7 million tons — which would be the smallest French maize harvest since 1976.reuters+2

The damage extends well beyond grain. The Telegraph reported that French tomato production has dropped by up to 50% this season, while consumer group Familles Rurales found courgette prices were 32% higher in July than a year earlier, tomatoes up 31%, and green beans up 24%. An earlier Bloomberg report noted the June heatwave alone scorched about half of France's carrot production and 60% of its hops.bloomberg+2

The European Commission has cut its forecast for the 2026/27 EU maize harvest to 51.9 million metric tons, the lowest since 2007.reuters

British Farmers Face 'Brutal' Year

In the United Kingdom, where the Met Office says summer 2026 is on course to be the hottest since records began, wholesale food prices are climbing sharply. The wholesale price of cucumbers has risen 69% since the first heatwave struck in May, climbing from £1.24 per kg to £2.09 per kg, according to government figures cited by i News. The BBC reported that Britain's harvest of barley, oats, and rapeseed is estimated to drop to just 19.5 million tonnes, the worst since records began in 1984.inews+2

Farmers' Guide estimated UK harvest losses at £390 million, with the 2026 harvest on course to be the worst on record. British brassica growers have warned of shortages come autumn as prolonged heat stunts growth of cauliflower, cabbage, and broccoli.thinkmoney+2

A Continent Under Strain

The agricultural damage forms part of a broader economic toll. The Energy and Climate Intelligence Unit estimated that the June heatwave alone cost European grain farmers around €2 billion in lost production. The UN Food and Agriculture Organization reported that global staple food prices edged up 1% year-on-year in July amid heatwaves and energy price hikes.eciu+1

In Champagne, growers began their earliest harvest on record in early August, with official picking dates starting as early as August 8 after heat accelerated grape ripening. The region also tightened production limits, reducing authorized yields to 8,800 kilograms per hectare amid softer demand.vinetur

Scientists warn that human-driven climate change, amplified by El Niño conditions, is keeping temperatures elevated. "What makes 2026 particularly worrying from an economic perspective is that there are multiple episodes of extreme events," University of Mannheim economist Sehrish Usman told Reuters. "The economic impact grows over the following years because the extreme weather set off a chain of slow economic consequences".chinadaily