Is White Oleander Toxic to Cats?

Yes — White Oleander is severely toxic to cats

White Oleander is just as toxic as pink oleander — the flower color does not affect toxicity. All parts of the plant contain lethal cardiac glycosides. Even water from a vase with oleander branches is dangerous.

Symptoms in Cats

If your cat eats White Oleander, watch for these symptoms (onset: 1 to 4 hours):

Vomiting
Cardiac arrhythmia
Collapse
Tremors
Seizures
Death

What To Do

Veterinary emergency. Even a single leaf can be fatal. Rush to emergency vet immediately. Do not wait for symptoms.

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

Cat-Safe Alternatives to White Oleander

✓ Crepe Myrtle ✓ Camellia

Quick Facts

Scientific Name

Nerium oleander 'Album'

Also Toxic to Dogs?

Yes (severe)

Toxic Compound

Cardiac glycosides (oleandrin, neriine)

Toxic Parts

all parts, flowers, leaves, bark, sap

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full White Oleander toxicity profile.