PupkeeperToxic
Can dogs eat green tomatoes and tomato plants? No: toxic
Toxic. Green parts of tomato plants, including unripe tomatoes, leaves and stems, can make dogs sick. Ripe red tomato flesh is non-toxic.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Note what was eaten, roughly how much, and when.
- Remove any green tomatoes or plant parts within reach.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Drooling
- Vomiting
- Diarrhea
- Loss of appetite
- Lethargy or weakness
- Wobbliness or tremors
- Dilated pupils
- Slow or irregular heartbeat
Why
Green tomato parts contain solanine and tomatine, which can upset the stomach and affect the nerves and heart. Poisoning is rare and usually not fatal.
Sources
- Pet Poison Helpline: Are Tomatoes Bad for Dogs?
- ASPCA Animal Poison Control: Tomato Plant
- AKC: Can Dogs Eat Tomatoes?
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.