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Is Williams rhododendron toxic to cats?

Rhododendron williamsianum

Toxic to cats

Yes — williams rhododendron is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Contains grayanotoxins (andromedotoxins) throughout all plant parts, consistent with the genus Rhododendron, which ASPCA lists as toxic to dogs, cats, and horses. Ingestion can result in vomiting, diarrhoea, excessive drooling, weakness, and cardiac disturbances.

What to do if your cat ate williams rhododendron

  1. Remove any plant material from your cat's mouth and move williams rhododendron 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 williams rhododendron to the appointment so it can be treated correctly.

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

Is williams rhododendron toxic to cats? — FAQ

Is williams rhododendron toxic to cats?

Yes — williams rhododendron is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. Contains grayanotoxins (andromedotoxins) throughout all plant parts, consistent with the genus Rhododendron, which ASPCA lists as toxic to dogs, cats, and horses. Ingestion can result in vomiting, diarrhoea, excessive drooling, weakness, and cardiac disturbances.

What are the symptoms if a cat eats williams rhododendron?

Contains grayanotoxins (andromedotoxins) throughout all plant parts, consistent with the genus Rhododendron, which ASPCA lists as toxic to dogs, cats, and horses. Ingestion can result in vomiting, diarrhoea, excessive drooling, weakness, and cardiac disturbances. 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 cat has had access to williams rhododendron.

What should I do if my cat ate williams rhododendron?

Stay calm. Remove any plant from your cat'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 williams rhododendron toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Williams rhododendron is toxic to dogs as well. See the full williams rhododendron pet-safety guide for both species.

What is a cat-safe alternative to williams rhododendron?

For a similar look without the risk, see the best cats-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.

Full williams rhododendron pet-safety