About Walnuts

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.

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History

Find out about their origins in ancient Persia, why they became known as 'English Walnuts', and how California became a center for walnut cultivation.

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How Are Walnuts Grown

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.

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Sustainability

Sustainability is important to the California walnut industry. The California Walnut Board has supported sustainable growing practices through its production research program for over 20 years.

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Walnuts FAQs

Not sure if 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.

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Food Safety

Food Safety is critically important to the California Walnut Industry. California Walnuts are grown and processed under strict quality control standards in order to deliver a high quality product for you and your family to enjoy year round.

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Buy, Care and Store

Food Safety is critically important to the California Walnut Industry. California Walnuts are grown and processed under strict quality control standards in order to deliver a high quality product for you and your family to enjoy year round.

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