Analysis of information sources in references of the Wikipedia article "Spelt" in English language version.
The first spelt wasn't grown in the United States until the 1890s. And, today, most of the nation's spelt is grown in Ohio...
Most of the nation's spelt acreage is in Ohio. That state grows between 100,000 and 200,000 acres of spelt annually, about 10 times more than any other state.