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By: Robert Verloop, Chief Executive Officer, California Walnut Board & Commission
California walnut farmers know the great care they put into their orchards. From maintaining healthy soils, to conserving water and minimizing waste, California walnut farmers have been acting as sound stewards of the environment for generations, but this story isn’t always shared or understood outside the industry.
At the same time, customers, food and ingredient manufactures, and consumers are increasingly interested in the industry’s sustainability efforts. The California Walnut Board & Commission is committed to sharing this story — but we need your help. By participating in a voluntary online survey, you can help highlight the great work being done by walnut growers.
The survey follows a 2024 effort by the California Walnut Board & Commission’s Sustainability Working Group (SWG), which gathered insights and provided recommendations on the topics, metrics and goals most meaningful to the walnut industry.
We know that for some, “sustainability” means environmental stewardship. For others, it also includes considerations of impacts on people and communities. For many California walnut farmers, it means the ability to keep the family farm going for generations to come.
After more than eight months of planning and industry input, the Sustainability Working Group identified four key areas that make up a Sustainability Index, which will demonstrate the industry’s good work. Importantly, the industry’s efforts in the areas outlined in the index will not only showcase the contributions walnut growers make to people and the planet, but also pave the way for a more economically viable industry over the long haul, as sustainability and industry resilience go hand-in-hand.
In fact, I often hear from walnut growers who are seeing first-hand how the adoption of environmentally friendly growing practices have benefited the quality of their walnuts and health of their trees while improving soil and natural resources. Often, sustainable practices, such as cover cropping, no till, and sustainable pest management can lead to reduced inputs and costs — something critical for growers seeing rising production costs in many areas. And as growers in California continue to see challenges for conventional pesticides through a more stringent regulatory environment and market pressures, the adoption of new tools and techniques will be critical.
While learning and implementing new practices can be seem daunting, it’s okay to start small. Talk to your neighbors or farm advisor about how growing practices are evolving. Attend grower meetings hosted by the California Walnut Board & Commission and get involved with other industry meetings and events. In the coming years, we’ll be doing more to empower the walnut industry in implementing sustainable practices and gather data to showcase its progress. In addition, grant opportunities through the United States Department of Agriculture (USDA), California Department of Food and Agriculture (CDFA), and others are periodically available to offset costs.
By continuing environmentally sustainable practices or adopting new ones, our industry can build its sustainability story as a point of differentiation and ensure a more prosperous future for decades ahead.
California walnut growers are asked to join us in this effort by taking the survey at WalnutSurvey.com. All responses will be aggregated for analysis; individual results will remain confidential and will not be shared publicly.


