You are correct that they’re east of the Rockies. However, Alberta and Saskatchewan make upwards of 75% of Canada’s farmland, so they produce Canada’s grain. As for where beer companies get their grain, I have no doubt they try to get it from wherever is cheapest. In the Northern Midwest, that’s likely from Canada, since it’s closer than Louisiana or Mississippi, or any of the other southern states. I don’t have the actual sales info to go off of, though.
You are correct that they’re east of the Rockies. However, Alberta and Saskatchewan make upwards of 75% of Canada’s farmland, so they produce Canada’s grain. As for where beer companies get their grain, I have no doubt they try to get it from wherever is cheapest. In the Northern Midwest, that’s likely from Canada, since it’s closer than Louisiana or Mississippi, or any of the other southern states. I don’t have the actual sales info to go off of, though.