Is Cooper's Haworthia (Pilifera) toxic to cats?

No — cooper's haworthia (pilifera) 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 (the Haworthia genus is on the ASPCA non-toxic list). No toxic principle of concern; mild stomach upset is still possible if a pet chews large amounts of any houseplant.

Yes — the ASPCA lists cooper's haworthia (pilifera) 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: Cooper's Haworthia (Pilifera) is non-toxic to dogs as well. See the full cooper's haworthia (pilifera) 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.