Leah Wagner and Nick Schlosstein recently signed a lease to rent a storefront in Dalton City to be the headquarters for Foundroot, the open-pollinated seed company, the couple say the space will be used as an office and a retail store to sell their seeds and other sustainable garden supplies, but they also hope to make use of the commercial kitchen at the old Josie’s Bread and Bagels store. “Plans are evolving, but we want…