Pet safety
Is Three-leaved Lantanatoxic to cats & dogs?
Lantana trifolia
Toxic
Quick verdict — at a glance
- Toxic to cats?
- Yes — toxic
- Toxic to dogs?
- Yes — toxic
- ASPCA classification
- Toxic to pets · botanical name Lantana trifolia
Is three-leaved lantana safe for cats and dogs?
No — three-leaved lantana is toxic to cats and dogs. Keep it well away from any pet that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List, the most widely used reference for companion-animal plant safety in the US and the standard most UK vets cite as well. The Lantana genus is listed by the ASPCA as toxic to cats, dogs, and horses via pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure has been recorded in livestock. L. trifolia contains the same toxic compounds and should be kept away from pets.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes | Toxic to pets |
| Dogs | Yes | Toxic to pets |
What happens if a pet eats three-leaved lantana?
The Lantana genus is listed by the ASPCA as toxic to cats, dogs, and horses via pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure has been recorded in livestock. L. trifolia contains the same toxic compounds and should be kept away from pets. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to three-leaved lantana, treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate three-leaved lantana
- Remove any plant material from your pet's mouth and move three-leaved lantana 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 and follow their advice.
- Bring a leaf or photo of three-leaved lantana to the appointment so it can be treated correctly.
This page is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide rather than the plant. If you are worried, always contact a vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Pet-safe alternatives to three-leaved lantana
Want the same look without the risk? These plants are listed as non-toxic to cats and dogs by the ASPCA and have similar care needs:
- Hoya — non-toxic to cats and dogs (care guide)
- Bromeliad — non-toxic to cats and dogs (care guide)
- Christmas cactus — non-toxic to cats and dogs (care guide)
- African violet — non-toxic to cats and dogs (care guide)
Three-leaved Lantana and pets — frequently asked questions
Is three-leaved lantana toxic to cats?
Three-leaved Lantana (Lantana trifolia) is toxic to cats according to the ASPCA. The Lantana genus is listed by the ASPCA as toxic to cats, dogs, and horses via pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure has been recorded in livestock. L. trifolia contains the same toxic compounds and should be kept away from pets. Keep it out of reach and contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your cat chews it.
Is three-leaved lantana toxic to dogs?
Per the ASPCA, Three-leaved Lantana (Lantana trifolia) is toxic to dogs. Dogs often chew more enthusiastically than cats, so a toxic plant like three-leaved lantana is best removed from the floor and low shelves entirely.
What happens if my pet eats three-leaved lantana?
The Lantana genus is listed by the ASPCA as toxic to cats, dogs, and horses via pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure has been recorded in livestock. L. trifolia contains the same toxic compounds and should be kept away from pets. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to three-leaved lantana, treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate three-leaved lantana?
Stay calm. Remove any remaining plant material from your pet's mouth and take the plant away so they cannot eat more. Note roughly how much was eaten and when. Do not make your pet vomit 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. Bringing a photo or a leaf of three-leaved lantana to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to three-leaved lantana?
If you want a similar look without the risk, good non-toxic swaps include hoya, bromeliad, christmas cactus, african violet. All of these are listed as non-toxic to cats and dogs by the ASPCA, so they suit a home where pets have access to your plants.
Full three-leaved lantana care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete three-leaved lantana care guide, or browse the full pet-safe plant library to check another plant before you buy it.