It’s our most important, profitable, and adaptable crop—the true American staple. But where did it come from?
In 1748 an inquisitive Swede named Peter Kalm, a protégé of the great botanist Linnaeus, came to America to find plants that could be useful in his country. He went around asking questions of everybody about everything. He asked Benjamin Franklin about hardy trees and was told that English walnuts did not survive Philadelphia’s winters. He asked John Bartram, the most knowing botanist in the colonies, about timber and was told that American oaks were not as tough as European.Read more »