While visiting my brother in Toronto this summer, we stopped by a grocery store and I was struck by two things: pistachios and milk in bags.

Stacked high in the back corner were bags of California pistachios – a reminder of how prominent a producer the Golden State is and a sign of the marketing power of its largest pistachio processor, Paramount Farms. The United States is the world’s leading pistachio producer, and 99 percent of the country’s crop comes from California.

Pistachios are California’s third-biggest nut crop, behind almonds and walnuts, and the state’s sixth-leading agricultural export, with markets spanning from Canada to China.

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