A time to yank out your stupid sweet corn and plant something else! Yeah!
I'm pondering fall crops. I don't want to waste my time with something that won't give a decent yield, so I'm considering planting garlic and spinach, and maybe nothing else. As usual, the Minnesota Extension office has good information on fall crops that are suitable for Minnesota.
The last paragraph intrigues me. Would it be awesome or folly or awesome folly to plant something like winter wheat? This site seems to suggest that I might have enough time to do it. I wonder if I'd actually get any wheat out of it. I could totally go all Laura Ingalls Wilder and get myself a coffee grinder and hole up in my father's store and spend my days of the long winter grinding wheat and braiding straw for the fire. (Hopefully just the wheat-grinding bit.)