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If your cat ate hamburg parsley — 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.

Hamburg Parsley is toxic to cats (ASPCA).

Pet emergency

My cat ate Hamburg Parsley — what to do

Step by step

  1. Take hamburg parsley 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 hamburg parsley — FAQ

Is hamburg parsley poisonous to cats?

Yes — the ASPCA lists Hamburg Parsley (Petroselinum crispum var. tuberosum) as toxic to cats. The ASPCA lists Parsley (Petroselinum crispum) as toxic to dogs, cats, and horses; Hamburg parsley is the same species. The toxic principle is furanocoumarins, which can cause photosensitization and mild GI upset, mainly with large ingestion. Limit pet access to foliage and consult a vet on significant exposure.

How serious is it if my cat ate hamburg parsley?

Hamburg Parsley is toxic to cats and reactions can be significant, so treat any ingestion as urgent. Call your vet or poison control on (888) 426-4435 straight away rather than waiting to see if symptoms develop.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. The ASPCA lists Parsley (Petroselinum crispum) as toxic to dogs, cats, and horses; Hamburg parsley is the same species. The toxic principle is furanocoumarins, which can cause photosensitization and mild GI upset, mainly with large ingestion. Limit pet access to foliage and consult a vet on significant exposure. 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 hamburg parsley well out of reach, or swap it for an ASPCA non-toxic plant — see the best cats-safe plants list.

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