Is Yokosca Lady Fern toxic to cats?

No — yokosca lady fern is listed by the ASPCA as non-toxic to cats. It is a sensible choice for a home with a cat; a curious nibble will not poison them, though no plant is meant to be eaten. Athyrium yokoscense belongs to the family Athyriaceae. No toxic principles are documented for this genus in dogs or cats. The PFAF database notes some ferns contain thiaminase, but this enzyme is destroyed by cooking and poses no practical risk to pets from incidental contact or minor ingestion. Athyrium is not individually listed by ASPCA, but no toxic compounds are known for this genus.

Yes — the ASPCA lists yokosca lady fern as non-toxic to cats and dogs. A cat that chews a large amount of any foliage can still get a mild, brief stomach upset, so discourage grazing, but it will not be poisoned.

The ASPCA classification Growli uses applies to both cats and dogs: Yokosca Lady Fern is non-toxic to dogs as well. See the full yokosca lady fern pet-safety guide for both species.

Reliable ASPCA non-toxic picks for a cat home include spider plant, calathea, parlor palm, peperomia, and most true ferns. Browse the best cats-safe plants list to check more before you buy.