Of course, negligent out-of-towners are the real culprits.
"The tourists throw their scraps of pizza and sandwiches all over the place", one distressed gardener told the Guardian.
A statement issued by the culture ministry and the Louvre on Monday defended their maintenance of the gardens: "Like any space or urban building near a river, particularly in the centre of Paris, the public domain of the Louvre museum can be the victim of a large and harmful presence of rodents, particularly in the summer".
So far, no solution to rid the world of awful tourists has been found yet, either.
Chloe Pantazi is an editorial assistant on Thrillist's travel team. Yes, that's a British accent. No, she doesn't watch Doctor Who. Follow her on Twitter at @ChloePantazi.