Lauryn Dell
The turkey is resting, the rolls are warming, and a big dish of green beans just landed on the counter. Your dog has noticed, and that twitching nose raises the question: can dogs eat green beans?
Yes. Plain green beans are one of the safest Thanksgiving foods to share with your dog. The catch is the word plain, because most holiday green bean recipes come loaded with butter, salt, onions or garlic.
This guide covers why green beans are good for dogs, which kinds to skip, how much is safe for your dog’s size, and how to prep a dog-friendly portion before the casserole gets built.
Can Dogs Eat Green Beans Safely?
In most cases, yes. Dr. Karen Cantor, a New York City veterinarian quoted by the American Kennel Club, says dogs can have green beans as long as portions stay moderate. She does advise skipping canned green beans because of their high salt content.
PetMD agrees that plain green beans are fine for dogs, and its guide says fresh, frozen and canned can all work. They go down best when steamed or boiled with nothing added, then chopped into small, bite-size bits.
Here is a quick look at what works and what to avoid:
- Fresh green beans: Safe. Trim the ends and chop them small.
- Frozen green beans: Safe if green beans are the only ingredient. Thaw or cook them first.
- Canned green beans: Use with care. PetMD’s Dr. Megan Petroff says to pick cans labeled “no salt added,” then drain and rinse the beans. Fresh or frozen is the easier choice, since regular canned beans are often very salty.
- String beans and French green beans: Safe. These are just other names and styles of green beans.
- Green bean casserole: Avoid. The classic recipe uses fried onions and condensed soup.
- Beans cooked with butter or garlic: Avoid. Garlic and garlic salt are never okay, and butter is best skipped.
Why Are Green Beans Good for Dogs?
Green beans are low in calories and high in fiber, which makes them a smart swap for richer holiday scraps.
Dr. Cantor told the AKC that raw green beans offer vitamins A, C and K along with iron and magnesium. PetMD points out that most of the benefit really comes from fiber, moisture and low calories, since a dog on a complete and balanced diet already gets its nutrients from its regular food.
Fiber is also why green beans show up in weight plans. Dr. Angela Burrington told the AKC, “The added bulk and fiber help the dog feel full, while not adding much in the way of calories.”
That does not mean swapping a big share of your dog’s food for beans. Veterinarian Dr. Ken Tudor writes for PetMD that adding green beans to a regular diet for weight loss can leave a dog short on key nutrients, so let your vet set any weight plan.
If your pup could stand to lose a few pounds before the holidays, our guide to helping your dog maintain a healthy weight has more tips.
How Many Green Beans Can a Dog Eat?
Even healthy treats count. PetMD’s rule of thumb is that green beans and all other treats together should stay at or under 10% of your dog’s daily calories.
Veterinarian Dr. Leslie Sinn shared these daily serving guidelines with PetMD for healthy adult dogs:
| Dog size | Weight | Daily serving |
|---|---|---|
| Extra small | 2 to 10 lbs | 1 to 2 chopped green beans |
| Small | 11 to 20 lbs | 2 to 4 chopped green beans |
| Medium | 21 to 50 lbs | 5 to 8 chopped green beans |
| Large | 51 to 90 lbs | 9 to 12 chopped green beans |
| Extra large | 91+ lbs | Up to 15 chopped green beans |
New to green beans? Dr. Petroff suggests offering a small taste first and building up slowly if your dog’s stomach handles them well. Puppies, seniors and dogs with health conditions may need different amounts, so check with your vet.
Is Green Bean Casserole Safe for Dogs?
No. This is the Thanksgiving side dish to keep out of reach.
A classic green bean casserole, including Campbell’s original recipe, is made with condensed cream of mushroom soup and topped with crispy fried onions. The AKC cautions that the green bean dishes people usually cook for themselves are not safe for dogs.
The ASPCA Animal Poison Control Center explains that onion, garlic and chives, all members of the Allium family, can irritate a dog’s stomach and intestines and damage red blood cells, sometimes leading to anemia. Too much salt can bring on extra thirst and urination, the ASPCA adds, and salt toxicity can show up as vomiting, diarrhea, tremors or seizures.
Butter and fatty holiday add-ins like bacon pile on fat, too. For more holiday plate safety, see our guides on whether dogs can eat turkey and whether dogs can eat cranberries.
What Are the Risks of Feeding Green Beans to Dogs?
Can dogs eat green beans with zero risk? Not quite. Plain beans are low risk, but a few things are worth knowing:
- Upset stomach: All that fiber means too many beans can lead to gas, bloating, vomiting or diarrhea, according to PetMD.
- Raw bean tummy trouble: Raw beans carry lectins, a type of protein that may cause mild nausea, gas or an upset stomach.
- Choking: Whole raw beans can be tough and fibrous. Chop them small, especially for little dogs and fast eaters.
- Seasonings: Salt, butter, oil and sauces do not belong in your dog’s bowl, and garlic and onions are toxic.
How Do You Prepare Green Beans for Your Dog?
Set aside a dog portion before anything else goes into the pot. It only takes a minute:
- Rinse: Wash fresh beans well. Drain and rinse canned ones.
- Trim: Snap or cut off the tough ends.
- Cook plain: Steam or boil in plain water. Cooked beans are easier to chew than raw.
- Chop: Cut them into bite-size pieces to prevent choking.
- Cool: Wait until cooked beans are back to room temperature before you serve them.
Serve them as a treat, a meal topper, or tucked into a puzzle feeder or snuffle mat for a little holiday enrichment. Our Thanksgiving dog treats roundup has more festive ideas.
What Should You Do If Your Dog Eats Too Many Green Beans?
Sneaked a few extra plain beans? PetMD says a healthy dog that eats a little more than its usual portion is unlikely to have side effects. A whole bag may cause gas, bloating, diarrhea or vomiting.
Mild symptoms usually pass on their own. Call your vet if signs hang on past 24 hours or if your dog stops eating or acting like their usual self.
If your dog got into green bean casserole or beans cooked with onions or garlic, call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 right away. Seek emergency care for choking, struggling to breathe, a swollen belly, repeated vomiting or collapse.
Can Dogs Eat Green Beans? The Bottom Line
Yes, dogs can eat green beans, and plain ones make a crunchy, low-calorie holiday treat. Keep them unseasoned, chopped and within your dog’s treat budget, and skip the casserole entirely.
Looking for more safe veggies? Read our guides on carrots for dogs and sweet potatoes for dogs. And if you’re ever unsure, check with your vet.
Frequently Asked Questions About Dogs and Green Beans
Yes, in moderation. Most dogs can have fresh raw green beans, but chop them small, since whole raw beans are tough to chew and may cause mild stomach upset.
Only canned green beans labeled “no salt added.” Drain and rinse them first, because regular canned beans can contain a lot of salt.
No. The classic recipe is made with fried onions and condensed soup, and onions can damage a dog’s red blood cells.
Yes, as long as green beans are the only ingredient. Thaw or cook them first and cut them into bite-size pieces.
They can help. Green beans are low in calories and high in fiber, so they can replace some higher-calorie treats. Ask your vet before changing your dog’s diet.
Puppies have sensitive tummies and growing bodies with special nutrition needs, so check with your vet before offering green beans or any new food.
Disclaimer: This article is for general informational purposes only and is not a substitute for professional veterinary advice. Always consult your veterinarian before adding new foods to your dog’s diet.
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