Random Riddle: 1-7-2013 Riddles Add comments Jan 072013 Hold your mouse over for the answer.Of all vegetables, only two can live to produce on their own for several growing seasons. All other vegetables must be replanted every year. What are the only two perennial vegetables? Leave a Reply Cancel reply Name (required) E-mail (required) URI Your Comment Notify me of follow-up comments by email. Notify me of new posts by email.