Is Narrow-Leaved Spleenwort toxic to cats?

No — narrow-leaved spleenwort 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 pycnocarpon is in the family Athyriaceae; true ferns in this family have no known toxic principle to dogs or cats. ASPCA lists the closely related Asplenium (spleenwort) genus as non-toxic. Athyrium is not individually listed by ASPCA, but no toxic compounds have been reported for this genus.

Yes — the ASPCA lists narrow-leaved spleenwort 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: Narrow-Leaved Spleenwort is non-toxic to dogs as well. See the full narrow-leaved spleenwort 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.