DALLAS CENTER – Sign up to be a vendor at the second annual Market on the Prairie at The Brenton Arboretum on Sunday, August 3rd. Vendor registration is free. Email Laura at Rentals@TheBrentonArboretum.org by March 1st to register to be a vendor. Event Schedule: 11am-12pm: vendor set up 12-3pm: market sales 3-4pm: break down