Is Smooth Blue Aster toxic to cats?

No — smooth blue aster 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. The ASPCA lists Symphyotrichum as non-toxic to cats and dogs, with no recognised toxic principle. As with any plant, nibbling foliage may cause mild, transient gastrointestinal upset.

Yes — the ASPCA lists smooth blue aster 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: Smooth Blue Aster is non-toxic to dogs as well. See the full smooth blue aster 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.