Pet emergency
My cat ate Polystichum aculeatum — what to do
Step by step
- Take polystichum aculeatum away and remove any plant material from your cat's mouth so they cannot eat more.
- Note roughly how much was eaten and when — this helps the vet judge the risk.
- Do NOT induce vomiting unless a vet or poison-control specialist tells you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice.
- Watch for drooling, pawing at the mouth, vomiting, loss of appetite, or lethargy, and bring a leaf or photo to the appointment.
This is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide as well as the plant. When in doubt, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.
My cat ate polystichum aculeatum — FAQ
Is polystichum aculeatum poisonous to cats?
Yes — the ASPCA lists Polystichum aculeatum (Polystichum aculeatum) as mildly toxic to cats. Polystichum aculeatum is not individually listed on the ASPCA Toxic/Non-Toxic Plants database. The closely related Polystichum munitum (Western sword/giant holly fern) IS ASPCA-listed as non-toxic to cats and dogs, and true ferns are generally regarded as non-toxic; however, because this exact species is not individually listed, treat with caution and verify with a vet. As with any plant, ingestion may cause mild gastrointestinal upset.
How serious is it if my cat ate polystichum aculeatum?
Polystichum aculeatum is mildly toxic, so most cats get short-lived mouth irritation, drooling, and vomiting rather than a life-threatening reaction. It is still worth a vet call to be safe, especially if your cat ate a lot or symptoms persist.
What symptoms should I watch for?
Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. Polystichum aculeatum is not individually listed on the ASPCA Toxic/Non-Toxic Plants database. The closely related Polystichum munitum (Western sword/giant holly fern) IS ASPCA-listed as non-toxic to cats and dogs, and true ferns are generally regarded as non-toxic; however, because this exact species is not individually listed, treat with caution and verify with a vet. As with any plant, ingestion may cause mild gastrointestinal upset. Any worsening or persistent symptoms warrant an immediate vet visit.
Should I make my cat vomit?
No — do not induce vomiting unless a vet or the ASPCA Animal Poison Control Center specifically tells you to. The wrong action can make things worse. Call (888) 426-4435 and follow professional advice.
How do I stop this happening again?
Keep polystichum aculeatum well out of reach, or swap it for an ASPCA non-toxic plant — see the best cats-safe plants list.
Related
- Is polystichum aculeatum toxic to cats? — full toxicity detail
- Polystichum aculeatum and pets — the complete ASPCA pet-safety guide