Garden Asparagus can cause a noticeable smell in your pee-pee. It is commonly known that eating this verdant plant can lead to a pungent whiff when you visit the restroom. If you notice an unappealing aroma once you've indulged containing asparagus, there's no need to worry. It is merely a normal reaction that occurs physiologically. Be reassured that the odor is harmless and will fade eventually.