Is Phragmipedium longifolium toxic to cats?

No — phragmipedium longifolium 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. A slipper orchid in the Orchidaceae, with no known toxic principle. The ASPCA lists orchids as non-toxic to cats and dogs (Phalaenopsis being the reference entry) and notes no orchid known to poison cats; slipper orchids feature on pet-safe orchid lists. Phragmipedium is not individually listed by the ASPCA but shares the family's benign chemistry. Chewing may cause only mild GI upset; the real hazard is pesticide or fertiliser residue.

Yes — the ASPCA lists phragmipedium longifolium 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: Phragmipedium longifolium is non-toxic to dogs as well. See the full phragmipedium longifolium 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.