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What vegetables can dogs eat?

By Your Dog Magazine editors · Updated · How we check

Plain vegetables make some of the best low-calorie treats for dogs. A few, especially onions and garlic, are toxic.

Food Verdict Why
Tomatoes Avoid Best avoided. Ripe flesh is generally safe, but the green parts of the plant contain a toxin.
Cucumbers Safe Yes. Cucumbers are almost calorie-free and great for overweight dogs.
Broccoli Small amounts Yes, in small amounts. Cooked florets are easiest on the stomach.
Carrots Safe Yes. Carrots are a low-calorie, crunchy snack that is good for teeth.
Celery Safe Yes. Celery is a crunchy, very low-calorie snack.
Corn Small amounts Yes, off the cob. The cob can cause a dangerous blockage.
Potatoes Small amounts Yes, plain and fully cooked, as an occasional extra. Never green or raw.
Sweet potatoes Small amounts Yes, cooked, peeled and plain, in moderation.
Onions Toxic No. Onions can rupture red blood cells and cause anemia.
Mushrooms Avoid Store-bought mushrooms are generally fine, but wild mushrooms can be deadly.
Green beans Safe Yes. Plain green beans are a filling, low-calorie snack.
Peas Small amounts Yes, plain green peas in moderation.
Garlic Toxic No. Garlic is toxic to dogs and can cause anemia.
Spinach Small amounts A little is safe, but spinach is not a top choice for dogs.
Asparagus Avoid Not unsafe, but not worth it. Asparagus is tough raw and loses most of its value when cooked soft.
Lettuce Safe Yes. Plain chopped lettuce is a safe, watery, low-calorie snack.
Pumpkin Safe Yes. Plain 100% pumpkin puree can help with both diarrhea and constipation.
Brussels sprouts Small amounts Yes, a few cooked sprouts. Expect gas.

How to serve vegetables

  • Plain only: no butter, oil, salt, onion or garlic.
  • Cook hard vegetables or cut them small so they can't block the gut.
  • Introduce one at a time and watch for gas or loose stools.

Sources: American Kennel Club, "Fruits and Vegetables Dogs Can and Can't Eat" (updated Aug 4, 2026); ASPCA Animal Poison Control, "People Foods to Avoid Feeding Your Pets". Checked October 17, 2026.

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