Is Hoya callistophylla toxic to cats?

No — hoya callistophylla 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. Considered pet-safe. Hoya callistophylla is not individually listed by the ASPCA, but the genus is clean: ASPCA lists Hoya members such as Hoya kerrii (Sweetheart Hoya) and Hoya carnosa (Wax Plant) as non-toxic to cats, dogs, and horses, with no toxic Hoya species listed. Eating any plant may still cause mild stomach upset, so verify with your vet if your pet ingests a large amount.

Yes — the ASPCA lists hoya callistophylla 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: Hoya callistophylla is non-toxic to dogs as well. See the full hoya callistophylla 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.