Is large-flowered butterwort toxic to cats?

No — large-flowered butterwort 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. Pinguicula grandiflora is not individually listed by ASPCA as toxic or non-toxic to cats or dogs. No toxic compounds are documented for this genus. The digestive mucilage on leaves is designed to trap tiny invertebrates and is not harmful to mammals, though ingesting large amounts may cause mild gastrointestinal upset.

Yes — the ASPCA lists large-flowered butterwort 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: large-flowered butterwort is non-toxic to dogs as well. See the full large-flowered butterwort 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.