Is Mountain Laurel Toxic to Cats?

Yes — Mountain Laurel is severely toxic to cats

Mountain Laurel is highly toxic to all animals. Even honey made from its nectar can be poisonous. All parts contain grayanotoxins that affect the heart and nervous system.

Symptoms in Cats

If your cat eats Mountain Laurel, watch for these symptoms (onset: 1 to 6 hours):

Vomiting
Drooling
Weakness
Cardiac arrhythmia
Seizures
Coma

What To Do

Veterinary emergency. Even small amounts can cause cardiac symptoms. Immediate veterinary care is critical.

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

Quick Facts

Scientific Name

Kalmia latifolia

Also Toxic to Dogs?

Yes (severe)

Toxic Compound

Grayanotoxins

Toxic Parts

all parts, nectar

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Mountain Laurel toxicity profile.