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Is Three-leaved Lantana toxic to dogs?

Lantana trifolia

Toxic to dogs

Yes — three-leaved lantana is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List. 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.

What to do if your dog ate three-leaved lantana

  1. Remove any plant material from your dog's mouth and move three-leaved lantana out of reach.
  2. Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
  3. Do not induce vomiting unless a vet or poison-control specialist instructs you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
  5. Bring a leaf or photo of three-leaved lantana to the appointment so it can be treated correctly.

General guidance, not veterinary advice. If you think your dog has eaten three-leaved lantana, contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.

Is three-leaved lantana toxic to dogs? — FAQ

Is three-leaved lantana toxic to dogs?

Yes — three-leaved lantana is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. 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.

What are the symptoms if a dog 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 — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your dog has had access to three-leaved lantana.

What should I do if my dog ate three-leaved lantana?

Stay calm. Remove any plant from your dog'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 and follow their advice; a leaf or photo helps the vet treat it correctly.

Is three-leaved lantana toxic to cats too?

The ASPCA classification Growli uses applies to both cats and dogs: Three-leaved Lantana is toxic to cats as well. See the full three-leaved lantana pet-safety guide for both species.

What is a dog-safe alternative to three-leaved lantana?

For a similar look without the risk, see the best dogs-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.

Full three-leaved lantana pet-safety