What happens if a dog eats Lily of the Valley?

If a dog eats Lily of the Valley, they may experience: Cardiac arrhythmia: irregular heartbeat, vomiting, low blood pressure, seizures, death.

Not Safe

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Not Safe for Dogs

Key warning: all parts — flowers, leaves, berries, roots, vase water

Is Lily of the Valley Toxic to Dogs? 🚨 Yes — Causes Heart Problems

This food is NOT safe for dogs. Keep it away from your pet.

Lily of the Valley is one of the most toxic plants for dogs. It contains cardiac glycosides causing potentially fatal heart arrhythmia.

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Warning Signs & Symptoms

Cardiac arrhythmia: irregular heartbeat, vomiting, low blood pressure, seizures, death.

If Your Dog Ate This

Lily of the Valley contains convallotoxin — a cardiac glycoside 10 times more potent than digoxin on a molar basis. A dog that ingests even a few berries can develop fatal ventricular fibrillation within hours.

What to Avoid

all parts — flowers, leaves, berries, roots, vase water

Preparation & Serving

Remove all lily of the valley from home and garden. Do not use in cut flower arrangements.

Potential Health Benefits

Choose dog-safe white flowers like gardenias or white roses for arrangements

Safer Alternatives

Emergency vet immediately — cardiac glycosides act rapidly. This is a life-threatening emergency.

Did you know?

Cardiac glycosides — any ingestion is a cardiac emergency

Portions & nutrition

Serving (large dog): never
Calories (per 100g): 0
Safe frequency: never

Source

Source: ASPCA

What You Need to Know

Lily of the Valley is extremely dangerous — the cardiac glycosides affect the heart rapidly. Even small amounts can cause fatal cardiac arrhythmia. All parts including the water in vases is toxic.

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

Want to know what other dangers are hiding in your home?

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If Your Dog Ate This — Act Now

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Frequently asked questions

Is Lily of the Valley safe for dogs?: No, Lily of the Valley is not safe for dogs. Lily of the Valley is one of the most toxic plants for dogs. It contains cardiac glycosides causing potentially fatal heart arrhythmia.
What happens if a dog eats Lily of the Valley?: If a dog eats Lily of the Valley, they may experience: Cardiac arrhythmia: irregular heartbeat, vomiting, low blood pressure, seizures, death.
How much Lily of the Valley can a dog eat?: Lily of the Valley is extremely dangerous — the cardiac glycosides affect the heart rapidly. Even small amounts can cause fatal cardiac arrhythmia. All parts including the water in vases is toxic.

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Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.