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Toxic: keep away from dogs

DogSafe severity score
9/10Dangerous at any amount

Every part contains cardiac glycosides.

Call a vet or poison control now. Do not wait for symptoms.

ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661. A consultation fee may apply.

Part of our guide to Is Lily of the valley Safe for Dogs? Identification, Symptoms & Next Steps.

Check Lily of the Valley for your dog

Enter your dog's details for a straight answer sized to them.

Any amount of Lily of the Valley is an emergency: call now

Why Lily of the Valley is dangerous

Every part contains cardiac glycosides. Even a small exposure can change heart rate and rhythm.

Part of the Lily guide

For related dog-safety questions and product-by-product answers, see the complete lily guide.

Signs to watch for

Vomiting, slow heart rate, disorientation, collapse

Related items

Check the exact item or ingredient before assuming two similar exposures carry the same risk.

What to do next

Go to an emergency vet right away.

🚨Step-by-step: what to do in the first 10 minutes →
Animal poison control

A closer look at lily of the valley

Every part contains cardiac glycosides. Even a small exposure can change heart rate and rhythm. The details below use the specific facts for this exposure, rather than treating it like every other plant question.

1. Start with the exact exposure

For a closely related comparison, read Lily. Small amounts of any part can affect the heart. Treat as dangerous at any quantity.

2. Use the facts to decide whether to monitor or call

Another helpful reference is Easter Lily. None: go-now plant. Any ingestion, immediately.

3. If the details are uncertain

Follow the first 10 minutes guide. Go to an emergency vet right away.

FAQ

How much Lily of the Valley is dangerous?

Small amounts of any part can affect the heart. Treat as dangerous at any quantity.

Can I treat this at home?

None: go-now plant.

When should I call the vet?

Any ingestion, immediately.

Compiled from veterinary poison-control and medical reference sources, including the ASPCA Animal Poison Control Center, the Pet Poison Helpline, and the Merck Veterinary Manual. This is general educational information, not a diagnosis or a substitute for examination by your veterinarian. DogSafe's severity ratings are our own assessment, calculated from published guidance and your dog's weight. In an emergency, call ASPCA Animal Poison Control at 888-426-4435 or the Pet Poison Helpline at 855-764-7661.