Is Hibiscus Toxic to Dogs?

Yes — Hibiscus is mildly toxic to dogs

Hibiscus flowers are mildly toxic to pets, particularly cats. Rose of Sharon (Hibiscus syriacus) is considered more toxic than tropical hibiscus.

Symptoms in Dogs

If your dog eats Hibiscus, watch for these symptoms (onset: 1 to 3 hours):

  • Nausea
  • Vomiting
  • Diarrhea
  • Loss of appetite

What To Do

Usually self-limiting. Ensure hydration. Contact vet if vomiting persists beyond 24 hours.

Dog-Safe Alternatives to Hibiscus

✓ Sunflower ✓ Zinnia ✓ Petunia

Quick Facts

Hibiscus rosa-sinensis

Yes (mild)

Unknown irritant compounds

flowers, leaves

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Hibiscus toxicity profile.