Reply To: Why is corn on the cob not kosher??? Home › Forums › Kashruth › Why is corn on the cob not kosher??? › Reply To: Why is corn on the cob not kosher??? June 20, 2011 8:21 pm at 8:21 pm #1021284 HaLeiViParticipant The thread being open or closed has something to do with if corn is a problem in America or not!?