Is Christmas rose toxic to dogs?
ASPCA lists the Christmas rose (Helleborus niger) as toxic to dogs. It contains cardiac glycosides, which can affect heart rate and rhythm and the nervous system (Pet Poison Helpline).
Did your dog eat some?
Call your vet or an emergency vet clinic right away, even if your dog seems fine. Tell them what your dog ate, how much and when.
- ASPCA Animal Poison Control: (888) 426-4435 (a fee may apply)
- Pet Poison Helpline: (855) 764-7661 (a fee may apply)
- Don’t make your pet vomit unless a vet tells you to.
Better choices, for example
Questions
My dog ate Christmas rose. What should I do?
Call your vet or an emergency vet clinic right away, even if your dog seems fine. You can also call ASPCA Animal Poison Control at (888) 426-4435 or the Pet Poison Helpline at (855) 764-7661 (a fee may apply). Don’t make your dog vomit unless a vet tells you to.
Is Christmas rose toxic to cats?
Yes, toxic. ASPCA lists the Christmas rose (Helleborus niger) as toxic to cats. Its cardiac glycosides can affect heart rate and rhythm and the nervous system (Pet Poison Helpline).
Sources
- ASPCA Toxic and Non-toxic Plants – Christmas Rose
- Pet Poison Helpline – Christmas Rose
- Pet Poison Helpline – Holiday Toxins
Last checked: October 2026