
This Fourth of July marks a milestone two-and-a-half centuries in the making: America’s 250th birthday. Since the Declaration of Independence was signed in 1776, the holiday has grown into one of the nation’s most food-centered celebrations—and few foods are as central to the day as fresh produce.
The backyard cookout runs on it. Watermelon and sweet corn anchor the table, strawberries and blueberries top the desserts (often arranged into a red-white-and-blue flag), and tomatoes, romaine, and onions dress the burgers and hot dogs coming off the grill.
For a holiday built on national pride, the spread is a quietly fitting symbol of American abundance.
But that abundance doesn’t come from a single field, or even a single country. Behind every Independence Day plate sits a supply chain of remarkable complexity—one that stretches across dozens of states and reaches well beyond U.S. borders.
The watermelon may be homegrown in Georgia or Florida, but the limes in the drinks almost certainly crossed the border from Mexico, the lemons likely traveled from Argentina or Chile, and even staples like potatoes and tomatoes arrive in part from Canada.
What looks like a simple seasonal menu is in fact the output of a vast, finely tuned logistics network moving hundreds of millions of pounds of produce to market at exactly the right moment.
The map, created from U.S. Department of Agriculture (USDA) data from the month of June, traces these journeys.
For each of the eleven produce items most associated with the Fourth of July, it shows where the volume actually comes from—domestic-grown in blue, imported in orange—revealing just how far the ingredients of an “all-American” celebration really travel.
Some items, like cherries, are overwhelmingly homegrown; others, like limes and lemons, depend almost entirely on imports. Together they tell the story of a holiday that’s unmistakably American, served on a supply chain that’s unmistakably global.
Kirk Soule is chief executive officer of Blue Book Services.
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