Is Cosmos sulphureus 'Klondike' toxic to cats?

No — cosmos sulphureus 'klondike' 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 reports nothing toxic for the Cosmos genus; Cosmos bipinnatus is ASPCA-listed as non-toxic to cats, dogs, and horses, and Cosmos sulphureus is regarded as non-toxic by the same standard. Large quantities of any plant material can still cause mild, self-limiting gastrointestinal upset.

Yes — the ASPCA lists cosmos sulphureus 'klondike' 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: Cosmos sulphureus 'Klondike' is non-toxic to dogs as well. See the full cosmos sulphureus 'klondike' 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.