Hey Tim. congrats on your dc's, I'm in northern Il. you may want to either move your bench or move the dc's about eighteen inches on each side from your bench as they start to take off growing for ya, they go fast, I have a mother and two babies that I overwintered in my 3 season room this winter and they do get a bit wide, 3 foot long leaves at about two feet of growth, also be prepared to cover those babies in the event of 30 degree overnites. I got mine last May and it's in a pot, actually it's third pot, which is a bear to move. Welcome to the forum and Best Wishes!!!
,Bill.