Is Parsley Toxic to Cats?

Yes — Parsley is mildly toxic to cats

Parsley is technically mildly toxic due to furanocoumarins, but only in large quantities. Small amounts as food garnish are generally safe.

Symptoms in Cats

If your cat eats Parsley, watch for these symptoms (onset: Variable):

  • Photosensitivity
  • Mild GI upset in large quantities

What To Do

Only concerning in very large quantities. Small amounts are fine. Avoid in pregnant animals.

Cat-Safe Alternatives to Parsley

✓ Basil ✓ Cilantro ✓ Dill

Quick Facts

Petroselinum crispum

Yes (mild)

Furanocoumarins

leaves, stems

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