Grape City Con is Saturday in LodiLODI — Grape City Con is Saturday, a one-day pop culture convention sponsored by StocktonCon.It runs from 10 a.m. to 4 p.m. at the Grape Festival Grounds, 413 E Lockeford St. in Lodi.The Grape City Con features a costume contest, card and video game tournaments, guests and vendors featuring comics, games, action figures, video games, anime and more.Among the special guests are Vincent M.