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Pet safety

Is Lily of the valley toxic to dogs?

Convallaria majalis

Toxic to dogs

Yes — lily of the valley 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. ASPCA lists Convallaria majalis as severely toxic to cats, dogs, and horses due to cardiac glycosides (convallarin, convallotoxin). Causes vomiting, slow heart rate, arrhythmia, seizures. Veterinary emergency.

What to do if your dog ate lily of the valley

  1. Remove any plant material from your dog's mouth and move lily of the valley 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 lily of the valley to the appointment so it can be treated correctly.

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

Is lily of the valley toxic to dogs? — FAQ

Is lily of the valley toxic to dogs?

Yes — lily of the valley is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. ASPCA lists Convallaria majalis as severely toxic to cats, dogs, and horses due to cardiac glycosides (convallarin, convallotoxin). Causes vomiting, slow heart rate, arrhythmia, seizures. Veterinary emergency.

What are the symptoms if a dog eats lily of the valley?

ASPCA lists Convallaria majalis as severely toxic to cats, dogs, and horses due to cardiac glycosides (convallarin, convallotoxin). Causes vomiting, slow heart rate, arrhythmia, seizures. Veterinary emergency. 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 lily of the valley.

What should I do if my dog ate lily of the valley?

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 lily of the valley toxic to cats too?

The ASPCA classification Growli uses applies to both cats and dogs: Lily of the valley is toxic to cats as well. See the full lily of the valley pet-safety guide for both species.

What is a dog-safe alternative to lily of the valley?

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 lily of the valley pet-safety