Pet safety
Is Sharp-Lobed Shield Fern toxic to cats?
Polystichum setiferum 'Acutilobum'
No — sharp-lobed shield fern 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. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Polystichum (shield ferns) are considered non-toxic to cats and dogs. True ferns in the Dryopteridaceae family do not produce calcium oxalate crystals or toxic glycosides. Not individually listed by ASPCA but the genus has no known toxic principle and is widely regarded as safe around pets.
Is sharp-lobed shield fern toxic to cats? — FAQ
Is sharp-lobed shield fern toxic to cats?
No — sharp-lobed shield fern 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. Polystichum (shield ferns) are considered non-toxic to cats and dogs. True ferns in the Dryopteridaceae family do not produce calcium oxalate crystals or toxic glycosides. Not individually listed by ASPCA but the genus has no known toxic principle and is widely regarded as safe around pets.
Is sharp-lobed shield fern safe for cats?
Yes — the ASPCA lists sharp-lobed shield fern 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.
Is sharp-lobed shield fern toxic to dogs too?
The ASPCA classification Growli uses applies to both cats and dogs: Sharp-Lobed Shield Fern is non-toxic to dogs as well. See the full sharp-lobed shield fern pet-safety guide for both species.
What other plants are safe for cats?
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.
Type any plant to see what the ASPCA says about it and your cat.
Full sharp-lobed shield fern pet-safety
- Is soft shield fern toxic to cats? — the species this cultivar belongs to, checked separately
- Is sharp-lobed shield fern toxic to cats and dogs? — the full guide for both pets
- Is sharp-lobed shield fern toxic to dogs?
- Best cats-safe plants — the full ASPCA non-toxic list
- Complete sharp-lobed shield fern care guide
- Best plant app for pet owners — which apps actually flag ASPCA toxicity before you buy the plant
Writing about plant safety? Embed our free pet-toxicity checker on your site — ASPCA-grounded verdicts for 11,000+ plants, no sign-up.