Is Hibiscus rosa-sinensis 'Cooper' toxic to cats?

No — hibiscus rosa-sinensis 'cooper' 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, dogs and horses; Hibiscus rosa-sinensis (Chinese hibiscus) appears on the ASPCA non-toxic list. Note this differs from Rose of Sharon (Hibiscus syriacus), which is reported as mildly toxic. Large quantities may still cause mild gastrointestinal upset.

Yes — the ASPCA lists hibiscus rosa-sinensis 'cooper' 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: Hibiscus rosa-sinensis 'Cooper' is non-toxic to dogs as well. See the full hibiscus rosa-sinensis 'cooper' 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.