I left off the last round because mine was 9 1/2 inches. I crochet lose. I'd I make it again, I'll figure out how to make the pedals more prominent. The last round does that.
Round 6 was a bit confusing, but I made it early in the morning, and just crocheted.
Patten on Ralvery here, http://www.ravelry.com/patterns/library/flower-power-dishcloth-2
also in the 2014 Crochet Calendar, June 26.