More than 99% of the walnuts in U.S. are grown in the fertile soils of California’s Central Valley. Internationally, California walnuts supply three-quarters of the world’s walnut trade.
Here you can learn more about this truly American success story: the rich history of the ‘Royal’ nut; the journey from the orchard to your table; and the wealth of health benefits that have been discovered through two decades of health research.
Find out about their origins in ancient Persia, why they became known as 'English Walnuts', and how California became a center for walnut cultivation.
It's a long road from planting a walnut orchard to delivering fresh, delicious walnuts to your local market. Find out about the process from tree to table, and the strict food quality and safety standards that regulate the walnut industry.
Sustainability is important to the California Walnut Industry and the California Walnut Board has supported sustainable growing practices through its production research program for over 20 years.
Not sure whether California walnuts are gluten free? Wondering about the health benefits of walnuts? Curious about omega-3s? Here you'll find the answers to these and many more frequently asked questions.