Well dangit. Here I was all prepared to put an extra 200 white onion sets in the ground and make hundreds of dollars from white-onion-jonesing Chicagoans this summer.
Nope, they don’t have a different name (at least not the one I go to). It’s Shop & Save Market, on the building, in the ads and on the receipts. It’s on River Road/Des Plaines River Road, in the shopping center with Coldstone, Panera, Potbelly’s and Cheeseburger in Paradise.