Are ferns poisonous to cats?

The asparagus fern (also called emerald feather, emerald fern, sprengeri fern, plumosa fern or lace fern) is toxic to dogs and cats. The toxic agent in the plant is sapogenin — a steroid found in a variety of plants. If a dog or cat ingests the berries of this plant, vomiting, diarrhea and/or abdominal pain can occur. read more

True Ferns. Plants that are considered true ferns are generally safe to grow in a home with cats. This doesn't mean that it's good for your cat to eat them. It simply means that they are not considered toxic and are unlikely to cause permanent or serious damage if your feline friend nibbles them. read more