Pet safety
Is Lance-Leaved Trillium toxic to cats?
Trillium lancifolium
Mildly. The ASPCA lists lance-leaved trillium as mildly toxic to cats — a chewing cat typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Trillium lancifolium is not individually listed by the ASPCA on its Toxic or Non-Toxic Plant database. As with related Trillium species, roots and berries likely contain steroidal saponins that can cause gastrointestinal irritation (nausea, vomiting, diarrhoea) in pets and humans if ingested. This species has a restricted natural range and limited toxicology data — treat all parts as potentially irritating. Contact ASPCA Animal Poison Control (888-426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK) or a vet if a pet ingests any part of the plant.
What to do if your cat ate lance-leaved trillium
- Remove any plant material from your cat's mouth and move lance-leaved trillium out of reach.
- Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
- Do not induce vomiting unless a vet or poison-control specialist instructs you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK and follow their advice.
- Bring a leaf or photo of lance-leaved trillium to the appointment so it can be treated correctly.
General guidance, not veterinary advice. If you think your cat has eaten lance-leaved trillium, contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK — do not wait for symptoms to worsen.
Is lance-leaved trillium toxic to cats? — FAQ
Is lance-leaved trillium toxic to cats?
Mildly. The ASPCA lists lance-leaved trillium as mildly toxic to cats — a chewing cat typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. Trillium lancifolium is not individually listed by the ASPCA on its Toxic or Non-Toxic Plant database. As with related Trillium species, roots and berries likely contain steroidal saponins that can cause gastrointestinal irritation (nausea, vomiting, diarrhoea) in pets and humans if ingested. This species has a restricted natural range and limited toxicology data — treat all parts as potentially irritating. Contact ASPCA Animal Poison Control (888-426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK) or a vet if a pet ingests any part of the plant.
What are the symptoms if a cat eats lance-leaved trillium?
Trillium lancifolium is not individually listed by the ASPCA on its Toxic or Non-Toxic Plant database. As with related Trillium species, roots and berries likely contain steroidal saponins that can cause gastrointestinal irritation (nausea, vomiting, diarrhoea) in pets and humans if ingested. This species has a restricted natural range and limited toxicology data — treat all parts as potentially irritating. Contact ASPCA Animal Poison Control (888-426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK) or a vet if a pet ingests any part of the plant. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your cat has had access to lance-leaved trillium.
What should I do if my cat ate lance-leaved trillium?
Stay calm. Remove any plant from your cat's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK and follow their advice; a leaf or photo helps the vet treat it correctly.
Is lance-leaved trillium toxic to dogs too?
The ASPCA classification Growli uses applies to both cats and dogs: Lance-Leaved Trillium is mildly toxic to dogs as well. See the full lance-leaved trillium pet-safety guide for both species.
What is a cat-safe alternative to lance-leaved trillium?
For a similar look without the risk, see the best cats-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.
Type any plant to see what the ASPCA says about it and your cat.
Full lance-leaved trillium pet-safety
- Is lance-leaved trillium toxic to cats and dogs? — the full guide for both pets
- Is lance-leaved trillium toxic to dogs?
- My cat ate lance-leaved trillium — emergency steps
- Best cats-safe plants — the full ASPCA non-toxic list
- Complete lance-leaved trillium 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.