Pupkeeper
Toxic

Is lantana toxic to dogs? Yes: toxic

Toxic. Lantana can cause vomiting, diarrhea, weakness and labored breathing.

If your dog ate or touched this, call your vet or a pet poison line now

Poison lines in other countries: United Kingdom, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI
Find an emergency vet

Lantana and dogs: key facts

Verdict
Toxic · Call your vet or a poison line
What it can do
Vomiting, diarrhea, weakness and labored breathing.
What to do now
Call your vet or a pet poison line now. All steps
Sources
ASPCA Animal Poison Control, Pet Poison Helpline. Reviewed 9 October 2026.

What should I do if my dog ate lantana?

  1. Call your vet or a pet poison line now.
  2. Take any plant pieces away and rinse your dog's mouth with water.
  3. Bring a piece of the plant in a bag, or a photo, to help identify it.

Don't

  • Don't make your dog vomit unless a vet tells you to.
  • Don't give milk, oil, salt or other home remedies unless a vet tells you to.

Symptoms to watch for

  • Vomiting
  • Diarrhea
  • Weakness
  • Labored breathing

Why

Lantana contains pentacyclic triterpenoids, natural plant toxins.

Sources

Guide reviewed 9 October 2026. Page updated 7 November 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.