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 10:44 am at 10:44 am #1021265 amichaiParticipant because of the checking for little bugs. we do not buy it here in eretz yisroel.