Can Cats Eat Celery? - Petsolino Mar 29, 2016All cat owners have the responsibility to provide the proper nutrition to their cats. It is known that cats are carnivores, so they don’t need to eat vegetables and fruits. But, it is interesting that many cats simply go crazy when they see celery leaves. It looks strange, but many owners of the cats Can Cats Eat Celery? - Land of Cats Celery contains a lot of vitamins and is high in fiber, therefore it is safe for consumption and can benefit your cat. Keep its consumption in limited amounts as too much can cause diarrhea. Celery is quite safe for cats, but it is recommendable that cats eat this vegetable occasionally. Celery is safe for your cat if she eats it in small amounts.