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If your cat ate leyland cypress — do this now

  1. Take the plant away and clear any pieces from their mouth.
  2. Do not induce vomiting unless told to by a professional.
  3. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 now.

Leyland Cypress is mildly toxic to cats (ASPCA).

Pet emergency

My cat ate Leyland Cypress — what to do

Step by step

  1. Take leyland cypress away and remove any plant material from your cat's mouth so they cannot eat more.
  2. Note roughly how much was eaten and when — this helps the vet judge the risk.
  3. Do NOT induce vomiting unless a vet or poison-control specialist tells you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice.
  5. Watch for drooling, pawing at the mouth, vomiting, loss of appetite, or lethargy, and bring a leaf or photo to the appointment.

This is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide as well as the plant. When in doubt, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.

My cat ate leyland cypress — FAQ

Is leyland cypress poisonous to cats?

Yes — the ASPCA lists Leyland Cypress (× Cuprocyparis leylandii) as mildly toxic to cats. × Cuprocyparis leylandii is not individually listed on the ASPCA toxic or non-toxic plant lists; treat with caution and verify with a vet. Ingesting foliage, bark or cones may cause vomiting, diarrhoea, drooling or appetite loss in cats and dogs, and the sap/oils can irritate skin.

How serious is it if my cat ate leyland cypress?

Leyland Cypress is mildly toxic, so most cats get short-lived mouth irritation, drooling, and vomiting rather than a life-threatening reaction. It is still worth a vet call to be safe, especially if your cat ate a lot or symptoms persist.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. × Cuprocyparis leylandii is not individually listed on the ASPCA toxic or non-toxic plant lists; treat with caution and verify with a vet. Ingesting foliage, bark or cones may cause vomiting, diarrhoea, drooling or appetite loss in cats and dogs, and the sap/oils can irritate skin. Any worsening or persistent symptoms warrant an immediate vet visit.

Should I make my cat vomit?

No — do not induce vomiting unless a vet or the ASPCA Animal Poison Control Center specifically tells you to. The wrong action can make things worse. Call (888) 426-4435 and follow professional advice.

How do I stop this happening again?

Keep leyland cypress well out of reach, or swap it for an ASPCA non-toxic plant — see the best cats-safe plants list.

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