
California walnut farmers face tough times as climate change drives prices to $4 per pound for the first time since 2021, threatening both your wallet and America’s position as a global leader in walnut production.
At a Glance
- California walnut production is expected to decrease 6.5% this season, from 824,000 tons in 2023 to 770,000 tons in 2024
- Walnut prices have skyrocketed from approximately $2.25 to over $4 per pound within a year
- Farmers have removed 18,000 acres of walnut trees with nearly 10,000 more under stress or abandoned
- Record-high temperatures and La Niña weather patterns have contributed to an 11% drop in production compared to USDA forecasts
- The walnut industry generates over $1 billion annually for California’s economy
Climate Change Disrupts California’s Walnut Production
California’s walnut industry, which contributes 25% to global production and 45% to global exports, is experiencing significant challenges due to changing weather patterns. USDA economists have predicted a smaller walnut crop this season primarily due to a mild winter that affected chill hours necessary for optimal tree productivity. This disruption is expected to reduce production from 824,000 tons in 2023 to 770,000 tons in 2024, representing a 6.5% decrease that will likely drive prices even higher than their current levels.
Record-high temperatures and La Niña weather patterns have been particularly damaging to walnut orchards. These climate conditions have resulted in an 11% drop in walnut production for the 2024-2025 season compared to earlier USDA forecasts. The impact is visible across California’s agricultural landscape, where farmers have already removed 18,000 acres of walnut trees, with nearly 10,000 more acres under stress or abandoned entirely as growers struggle to maintain profitable operations under increasingly difficult growing conditions.
Economic Impact on Consumers and Farmers
The economic consequences of these climate-driven changes are substantial. Walnut prices have risen dramatically, climbing from 30 cents per pound in 2022 to 42 cents per pound in 2023 at the farm level. For consumers, this translates to retail prices exceeding $4 per pound for the first time since 2021, compared to approximately $2.25 per pound just a year ago. This price increase directly affects American consumers who incorporate these nutritious nuts into their diets and recipes.
For California’s economy, the stakes are high. The walnut industry generates over $1 billion annually for the state, and continuing shortages could lead to budget cuts and job insecurity throughout the agricultural sector. Despite these challenges, the total walnut acreage remains relatively stable at around 400,000 acres, as new plantings generally balance out the removals of older or less productive orchards. The yield per acre is expected to be around 2 tons, which is slightly above the five-year average.
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Market Expansion and Industry Response
Despite production challenges, there are positive developments in the market side of the equation. U.S. walnut exports increased by 17% last year, with significant growth in shipments to the European Union, United Kingdom, and India. These expanding international markets provide some financial relief for growers who can meet export quality standards. Industry leaders continue to focus on expanding market opportunities and increasing consumption both domestically and internationally to offset some of the production constraints.
“Growers have been challenged these past few years, but there’s optimism that we’re turning the corner in a positive direction”, said Christine Lott.
Long-term Sustainability Efforts
The walnut shortage represents just one aspect of a broader trend where climate change is affecting various American crops, including plums, potatoes, and soybeans. In response, agricultural researchers across the country are exploring drought-friendly farming methods and developing weather-resistant crop varieties to protect America’s food supply. These efforts focus on creating sustainable agricultural practices that can withstand the increasingly unpredictable weather patterns affecting American farmers.
At the policy level, many agricultural experts point to the importance of addressing the root causes of these challenges through renewable energy policies and technologies. While many farmers are adopting more sustainable practices on their land, the industry recognizes that broader climate action will be necessary to ensure the long-term viability of American agriculture, including the valuable walnut industry that has been a staple of California’s agricultural sector for generations.