You have a map where in the US exactly that crop is grown?
["cultivated" would be the wrong word here! ;-) ]
PvR

Iris Cohen wrote

Don't forget, by far the most common crop in the United States, and our
biggest export, is bad taste.
Iris,

Central NY, Zone 5a, Sunset Zone 40
"The trouble with people is not that they don't know but that they know so
much that ain't so."
Josh Billings (Henry Wheeler Shaw), 1818-1885