Yes. Dogs can eat plain, cooked potato in moderation, according to the American Kennel Club. Boil or bake it with nothing added, cut away any green patches and sprouts, and keep it to a few small pieces. Green potatoes, sprouts and the potato plant are the parts to worry about, because they can hold more of the natural toxins potatoes make.
If your dog gobbled a bit of plain boiled or baked potato, there is nothing to do. If they chewed a green or sprouted potato from the bag or the trash, got into the garden plants, or ate a big helping of fries or loaded mash, keep reading.
Key takeaways
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- Plain cooked potato, with no green and no sprouts, is fine as a small extra.
- Green patches, sprouts and the leaves and stems carry more glycoalkaloids (solanine and chaconine).
- Signs of potato poisoning can take 12 hours or more to appear.
- Fries, chips, hash browns and loaded mash bring fat, salt, butter, onion or garlic.
- Sweet potato is a different plant, so its answer is not the same.
Your dog ate potato: what to do next
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| What they ate | What to do |
|---|---|
| What they ateA few pieces of plain cooked potato | What to doNothing. It is a normal extra for most dogs. |
| What they ateA bite of ordinary raw potato, not green | What to doWatch for an upset stomach today. |
| What they ateA green, sprouted, bitter or damaged potato | What to doCall your vet or a pet poison line. Give your dog's size and how much. |
| What they atePotato leaves, stems, flowers or berries from the garden | What to doCall. The plant is a bigger concern than the tuber. |
| What they ateA plate of fries, chips or hash browns | What to doWatch for vomiting and diarrhea; call if it was a lot or your dog has had pancreatitis. |
| What they ateMashed potato or potato salad | What to doCheck for onion, garlic, butter and salt, then call if any were in it. |
After a green potato, the AKC says what happens next depends on your dog's size, how much they ate, and whether signs appear, and it points owners to an emergency vet or Pet Poison Helpline if they suspect poisoning. The ASPCA, writing about the related tomato plant, likewise advises calling its poison control line or your vet as soon as you can.
Call right away, whatever the potato, if your dog is vomiting again and again, very weak, wobbly on their feet, has a slow heartbeat, collapses or is struggling to breathe.
Which parts of a potato are safe
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| Part or form | Safe? | Why |
|---|---|---|
| Part or formCooked flesh, plain | Safe?Yes, in small amounts | WhyAKC and Pet Poison Helpline both allow it |
| Part or formCooked skin, not green | Safe?Usually tolerated | WhyLeave off any green skin |
| Part or formRaw potato, not green | Safe?Not as a treat | WhyHard to chew and can contain glycoalkaloids |
| Part or formGreen skin or flesh | Safe?No | WhyA sign glycoalkaloids may be higher |
| Part or formSprouts and eyes | Safe?No | WhyGlycoalkaloids concentrate there |
| Part or formLeaves, stems, flowers, berries | Safe?No | WhyA bigger concern than the tuber itself |
| Part or formRaw potato juice | Safe?No | WhyNo way to know how strong it is |
| Part or formPotato starch or flour in dog food | Safe?Follow the label | WhyA processed ingredient in a formulated food |
The toxins are alpha-solanine and alpha-chaconine, which potatoes make on their own. A 2020 review by the European Food Safety Authority explains that the amount varies with the variety, how the potato was stored, how much light it got, and whether it has greened or sprouted. The green color itself is chlorophyll. It does not measure the toxin, but Poison Control treats it as a sign that glycoalkaloid levels may be up. Germany's Federal Institute for Risk Assessment tells people to sort out green and heavily sprouted potatoes for the same reason. The simplest rule at home: if you would cut it off for yourself, your dog should not get it either.
How much potato to give, and how to cook it
There is no gram amount by dog size for potato. The AKC and Pet Poison Helpline both describe plain, fully cooked white potato as fine in moderation, so think a few small cubes as a treat or mixed into a meal now and then.
- Cook it through. Boiled, baked or steamed, soft enough to mash with a fork.
- Keep it plain. No butter, cream, oil, salt, cheese, gravy, onion or garlic.
- Trim first. Cut out green spots, eyes and sprouts, and throw out any potato that looks badly green or tastes bitter.
- Cut it small, especially for a puppy or small dog, since hard chunks are a choking risk.
Potato is a side, never the base of a dog's diet. The AKC warns that butter and fatty potato dishes raise the risk of pancreatitis, so dogs who have had it should stick to plain potato or skip it. If your dog has diabetes, kidney disease or eats a prescription diet, ask your vet before adding potato.
Signs of potato poisoning, and when they show up
The *BSAVA/VPIS Guide to Common Canine and Feline Poisons*, a veterinary reference from the British Small Animal Veterinary Association and the Veterinary Poisons Information Service, says signs can be delayed 12 hours or more, and that fatal poisoning in animals is rare. Watch for:
- drooling, vomiting or diarrhea
- belly pain or not wanting to eat
- tiredness and weakness, including muscle weakness
- stumbling or looking unsteady
- wide pupils
- a slow heartbeat
The AKC names vomiting, diarrhea, lethargy and muscle weakness as signs that need a vet straight away. Because of the delay, a dog who ate a green potato in the evening may look fine at bedtime and sick the next morning.
"We fed our dog potato peels for years and she was fine"
That is easy to believe. Plenty of dogs eat cooked potato, peel and all, with no trouble at all. It just is not proof for every potato or every dog. The toxin level swings with the variety, the storage and the light; a pale peel from a fresh bag carries less concern than a green one from the back of the cupboard. A bigger dog gets less toxin per pound from the same peel than a small one. Sprouts and garden leaves can hold far more toxin than the tuber. And signs that start 12 hours later are easy to miss or blame on something else. Keep feeding the plain cooked peel if your dog does well with it, and bin the green and sprouted ones where your dog cannot dig.
Fries, chips, mashed potatoes and sweet potatoes
- French fries and tater tots: fried, salty and fatty. One dropped fry will not matter much; a whole carton can upset the stomach.
- Potato chips: salt and fat, and flavored chips can include onion or garlic powder.
- Mashed potatoes: plain mash is fine. Holiday mash with butter, cream, cheese, garlic or gravy is not. Can dogs eat garlic? explains why the garlic matters.
- Potato salad: can include onion, dairy and seasoning. Skip it.
- Hash browns and home fries: cooked in oil, and sometimes with onion.
- Baby and new potatoes: the same plant, just younger. Same rules.
- Sweet potatoes and yams: sweet potato is *Ipomoea batatas*, a different plant from white potato, so the glycoalkaloid concern does not carry over. "Yam" on a label may mean either a true yam or an orange sweet potato.
- Tomato plants and eggplant: potato's relatives in the nightshade family. Can dogs eat tomatoes? covers the green parts of the tomato plant.
Check what you learned
Quick check
Questions about dogs and potatoes
Can dogs eat potatoes if they are cooked?
Yes. Cooked, plain potato with the green parts and sprouts removed is the safe form. Keep butter, salt and seasoning off your dog's share.
Which is better for a dog, rice or potatoes?
Both are fine plain and cooked in small amounts. Rice is the one vets more often use in a short bland diet; potato needs the green and sprouts trimmed first. Can dogs eat rice? covers white and brown rice.
How much potato can I give my dog?
A few small pieces as an occasional extra. Give less to a small dog and do not let potato replace their regular food.
Can dogs eat raw potatoes?
Better not. Raw potato is hard to chew and can contain glycoalkaloids, and green or sprouted raw potato is the clearest risk. A small bite of ordinary raw potato is not the same as a green one, but neither makes a good treat.
Can dogs eat potato skins?
Cooked skin that is not green is usually fine. Leave off green skin, eyes and sprouts.
Are potatoes dangerous for cats?
Green potatoes and the plant are a concern for cats too. The ASPCA lists the related tomato plant as toxic to both dogs and cats because of solanine.
Sources
Checked September 24, 2026.
- American Kennel Club, Can Dogs Eat Potatoes?
- Pet Poison Helpline, Are Tomatoes Poisonous to Dogs?
- ASPCA Animal Poison Control Center, Tomato Plant
- European Food Safety Authority, Risk assessment of glycoalkaloids in feed and food, in particular in potatoes and potato-derived products, EFSA Journal, 2020
- Poison Control, Are Sprouted Potatoes Safe to Eat?
- German Federal Institute for Risk Assessment, Solanine in potatoes: green and strongly germinating potato tubers should be sorted out
- British Small Animal Veterinary Association and Veterinary Poisons Information Service, *BSAVA/VPIS Guide to Common Canine and Feline Poisons*, entry for *Solanum tuberosum* (book)