As Christmas approaches, supermarket shelves fill with products for festive meals, including turkey, potatoes, cinnamon and chocolate. Many shoppers now notice higher prices or scarcer supplies for these traditional foods. Climate change disrupts harvests across the world, cuts yields and forces farmers to adapt quickly. Rising temperatures, extreme weather and fragile ecosystems now shape what ends up on Christmas tables. These pressures already affect availability, quality and cost for many seasonal favourites.
An ingredient crisis for sweet Christmas treats
Festive baking remains a cherished tradition, with families preparing gingerbread, Christmas cake and cinnamon rolls. This year, several essential ingredients prove harder to source and more expensive. Climate stress affects cocoa farms in West Africa and cinnamon groves in Sri Lanka, according to a recent Weather Channel report. The report identifies cocoa, vanilla, cinnamon and sugarcane as especially vulnerable to climate change.
Vanilla production concentrates in Madagascar, where cyclones and heatwaves frequently damage crops. Sugarcane and sugar beets struggle during droughts, floods and prolonged heat. Cinnamon grows mainly in limited tropical regions with delicate ecosystems, which amplifies climate risks. Cocoa faces particularly severe pressure. The crop requires precise temperature, humidity and rainfall conditions to thrive.
Around 97 per cent of global cocoa production comes from countries with low or medium climate resilience, based on the Notre Dame Global Adaptation Index. Several climate models warn that half of current cocoa land may become unsuitable by 2050 without heat-resistant varieties.
Turkey costs more in a hotter climate
The price of fresh Christmas turkey in the UK rose by 4.7 per cent over the past year, according to consumer group Which?. Turkey farms in the UK and the US increasingly struggle with rising temperatures. Hotter British summers place birds under stress, which causes weight loss and raises meat costs. Farmers also face higher energy bills, as expensive gas increases incubator running costs.
In the United States, wild turkey populations fell by about 18 per cent between 2014 and 2019, according to The Wildlife Society. Farmed turkeys face similar heat stress, while feed prices rise after climate-related crop failures. Together, these factors push prices higher for festive shoppers.
A Christmas dinner without all the trimmings
Climate change also affects classic side dishes served with Christmas roasts. Drought cut UK onion yields by 30 per cent in 2023. In the US Pacific Northwest, severe heat caused an 8 per cent onion yield drop in 2021. Elsewhere, excessive rainfall damages potato production across Belgium, the Netherlands, France and the UK.
Waterlogged fields increase spoilage and prevent harvesting. In November 2023, Dutch farmers left 15 per cent of potato crops unharvested due to flooding. These losses triggered higher prices during the festive season. Brussels sprout production in the UK also faces growing risks. Warmer conditions allow pests to thrive and destroy crops.
In 2016, diamondback moth infestations wiped out up to 60 per cent of sprout harvests for some farmers. Greater temperature swings also reduce sprout size, as extreme weather did in 2022.

