Why did Bob go to the store? To bob for apples.
Why did the scarecrow win an award?
Because he was outstanding in his field.
Why shouldn't you tell a secret in a corn field?
Because they are full of ears!
Now that was a corny joke.
And yes, it was rather a-maize-ing.
Why can't you tell a joke in a corn maze?
Because there's too many ears.
What kinds of apples grow on trees?
All of them.