In many parts of the United States, you’re likely to find some sort of walnut tree. Several species are indigenous to North America, and they seem especially ubiquitous in the Midwest and East Coast.
The variety in the grocery store is the English or Persian walnut—a softer-shelled walnut with a milder taste. But someone with a black walnut tree is unlikely to harvest the nuts because it takes enormous effort to get them open and their flavor is stronger and less delicate.
