Seed corn production hits historic low

The Limagne plain, a major area for seed corn production in France, faced its worst year ever in 2026 due to extreme summer heat that damaged crops. A severe heatwave in June destroyed pollen, which is essential for corn fertilization, leading to widespread crop failure.

Heatwave caused widespread crop failure

The summer heatwave caused significant damage to seed corn crops, with many areas failing to be fertilized. According to Régis Rougier, president of the Limagne seed producers' union, the situation was "never seen before" on the entire plain, with 500 hectares of crops crushed and unharvestable.

Economic losses exceed expectations

Limagrain, a major seed producer in the region, reported losses of between 35,000 and 40,000 tons of seed corn, representing a 30 to 40 percent decrease in yield. Producers delivered only 43 percent of the expected yield, leading to severe economic consequences.

Insurance coverage offers limited relief

Multi-risk climate insurance will cover up to 75 percent of income but includes a 25 percent deductible. Rougier described this as a minimal relief, noting that rising costs for GNR (general natural risk), fertilizers, and irrigation further strain producers' finances.

Future of the sector uncertain

The crisis raises concerns about the future of seed corn production in the region. Rougier said that while producers may continue cultivating corn in 2027, a 12 percent decline in cultivated areas last year highlights the uncertainty in the market.

Water supply and irrigation are critical

Seed production in Limagne depends entirely on the Naussac dam. If the dam is not full by winter, producers may need to reduce cultivated areas and focus on well-irrigated land. Rougier warned that irrigation success below 75-80 percent would make remuneration difficult.

Insurance costs may rise in the future

Producers expect multi-risk insurance premiums to increase, as insurers face more frequent claims. Although no official information has been released yet, the rising costs of insurance are already a concern for the sector.