American vs. Chinese Chestnuts

Reader Melanie wants to know the differences between Chinese chestnut trees and American ones, since Chinese chestnuts are some of the only trees available to plant. I’m certainly not an expert on trees, Melanie, but I’ll tell you what I know. Though the chestnut tree species that produce the largest nuts come from Eurasia, there were species of chestnuts in America before European settlers arrived here. Native Americans ate the fruit of these trees for millennia.
Sadly, American chestnut trees were almost entirely wiped out when a chestnut “blight” was accidentally introduced in 1904, most likely on some Japanese chestnut saplings imported to the East Coast. By 1940 chestnut blight had killed an estimated 4 billion chestnut trees in the States. The Appalachian Mountain forests, which were about 25% chestnut, were especially hard hit. The blight also killed off most of the imported European species which were nearly as susceptible to blight.
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