§ Toxic plants · Solanaceae · Checked Oct 2026
Is tomato plant toxic to cats and dogs?
Yes. Tomato plant (Lycopersicon spp.) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Moderate, level 2 of 4.
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§ 010 · Signs
What to watch for
Signs include drooling, loss of appetite, vomiting, diarrhea, dullness or depression, weakness, dilated pupils, slow heartbeat and belly pain. Signs can start within hours; some take a day or more to show.
§ 020 · If it happened
What to do if your pet ate it
Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.
§ 030 · Same family
Other Solanaceae plants toxic to pets
Tomato plant belongs to the Solanaceae family. ASPCA lists these relatives too.
§ 040 · Questions
Questions about tomato plant and pets
Is tomato plant toxic to cats?
Yes. ASPCA lists tomato plant as toxic to cats.
Is tomato plant toxic to dogs?
Yes. ASPCA lists tomato plant as toxic to dogs.
What happens if my pet eats tomato plant?
Signs include drooling, loss of appetite, vomiting, diarrhea, dullness or depression, weakness, dilated pupils, slow heartbeat and belly pain. Plant Smart rates it Moderate, level 2 of 4.
What should I do if my pet ate it?
Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.