The corn was planted in June at the Stony Hill Farm in Chester.
Owner Dale Davis tells Newark's The Star-Ledger newspaper he chose the maze to get people interested. He says everybody recognizes Christie but he doesn't know whether a lot of people would recognize gubernatorial rival Sen. Barbara Buono.
Christie is far ahead of Buono in public polls and leads among nearly every demographic group. He's seen as a viable contender for the 2016 Republican nomination for president.
The Morris County maze will open to the paying public Aug. 31. The election is Nov. 5.