Is Fortune's Holly Fern toxic to cats?

No — fortune's holly 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. ASPCA-listed as non-toxic to cats and dogs at genus level: Cyrtomium falcatum appears as Holly Fern / Japanese Holly Fern (and Aspidium falcatum) on the ASPCA non-toxic list, with no toxic principle. C. fortunei is the closely related Fortune's holly fern; large amounts may still cause mild stomach upset.

Yes — the ASPCA lists fortune's holly 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: Fortune's Holly Fern is non-toxic to dogs as well. See the full fortune's holly 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.