He won't reveal just where it's growing in the Washington Terrace, Utah, area.
His gourd is also guarded by surveillance cameras.
McConkie took a reporter from a local paper to see the giant pumpkin, with a promise not to disclose its exact location.
McConkie hopes to set a new state record with the pumpkin at the official weigh-in this weekend.
The mark now stands at 1,104 pounds.
And what's he going to do with it afterward?
McConkie says he wants to drop his giant pumpkin from a crane, just to see it splat.
