Is Lily of the Valley Toxic to Cats?

Yes — Lily of the Valley is severely toxic to cats

Despite its delicate appearance, Lily of the Valley is extremely toxic. It contains over 30 cardiac glycosides. Even the water in a vase containing these flowers can poison a pet. Not related to True Lilies but equally dangerous.

Symptoms in Cats

If your cat eats Lily of the Valley, watch for these symptoms (onset: 1-4 hours):

Vomiting
Irregular heartbeat
Low blood pressure
Disorientation
Seizures
Coma

What To Do

EMERGENCY. Immediate vet care required. Cardiac monitoring essential. Similar treatment to Foxglove/Oleander poisoning.

This is a veterinary emergency for cats. Call your vet or ASPCA Poison Control (888) 426-4435 immediately.

Cat-Safe Alternatives to Lily of the Valley

✓ Orchid ✓ African Violet ✓ Jasmine

Quick Facts

Scientific Name

Convallaria majalis

Also Toxic to Dogs?

Yes (severe)

Toxic Compound

Cardiac glycosides (convallatoxin, convallarin)

Toxic Parts

all parts, including water in vase

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Lily of the Valley toxicity profile.