A piece of apple or carrot as a treat? Many fruits and vegetables are a healthy, vitamin-rich treat for your dog. But beware: some varieties are downright toxic. Here you can read exactly what your dog can and cannot eat, and how to cleverly incorporate healthy snacks into its daily diet.
đź“Ś In short
- Safe: apple (without seeds), banana, blueberries, carrot, cucumber, pumpkin and spinach.
- Toxic: grapes and raisins, onion, garlic, leek, avocado and unripe (green) tomato.
- Give fruits and vegetables as a treat, not as a main meal — a maximum of 10% of the daily diet.
- Introduce new varieties in small amounts and observe the reaction.
- In case of doubt or after eating something toxic: call your vet immediately.
By the SmartPaw editorial team · Published on July 8, 2026 · Last updated on July 8, 2026 · Facts checked by veterinarians and official sources.
Which fruits and vegetables are safe for dogs?
Dogs can eat many fruits and vegetables, provided in moderation and thoroughly cleaned. Safe choices include apple (without core and seeds), banana, blueberries, strawberries, carrots, cucumbers, pumpkins, green beans, and spinach. They provide vitamins and fiber and are a low-calorie treat.
💡 Tip: Cut fruits and vegetables into small, bite-sized pieces and remove seeds and cores. A slice of cucumber or a blueberry is a refreshing, healthy reward during training — especially on hot summer days.
Which fruits and vegetables are toxic to dogs?
Some fruits and vegetables are dangerous and should never be on the menu. Grapes and raisins are highly toxic and can cause acute kidney failure — even a single one. Onions, garlic, leeks, and chives damage red blood cells. Avocado contains persin, and unripe (green) tomatoes contain solanine; both are harmful.
⚠️ Grapes and raisins: acute danger
Grapes and raisins are extremely toxic to dogs and can lead to fatal kidney failure. Has your dog (possibly) eaten them? Do not wait and immediately call your veterinarian or the animal emergency line.
A handy overview: safe versus toxic
| âś… Your dog can eat | â›” Never give |
|---|---|
| Apple (without seeds) | Grapes and raisins |
| Banana, blueberries | Onion, garlic, leek |
| Carrot, cucumber | Avocado |
| Pumpkin, spinach | Unripe (green) tomato |
How many fruits and vegetables can your dog eat?
Fruits and vegetables are a supplement, not a substitute for complete dog food. Keep all treats together to a maximum of 10% of the daily calories. The basis remains complete dog food with fixed portions at fixed times — an automatic feeder helps you maintain that structure.
ChromeFeeder automatic feeder 2L
Divide the daily portion of dog food into fixed meals via the app. This way you maintain control over the calories, even if you add healthy snacks.
View product →Do you want to know how much food your dog really needs? Read how much food your dog needs per day and discover how nutrition affects your pet's health.
FAQ about fruits and vegetables for dogs
Can a dog eat cucumber?
Yes, cucumber is safe and refreshing. Your dog can eat the whole cucumber, including the peel, in small pieces.
Are grapes really that dangerous for dogs?
Yes. Even a single grape or raisin can cause acute kidney failure. Never give them and call your vet immediately if ingested.
Can my dog eat tomatoes?
Ripe, red tomatoes in small amounts are allowed, but unripe (green) tomatoes and the leaves contain solanine and are toxic. So be careful.
How much fruit can I give per day?
Keep all treats together to a maximum of 10% of the daily calories; the rest is complete dog food.
Sources: Rover — grapes and dogs; Newpharma — foods dogs should not eat.
This blog is informative and does not replace veterinary advice.
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