Lauryn Dell
Thanksgiving dinner is almost ready, and a colander of freshly trimmed green beans is waiting by the sink. Your cat has claimed a kitchen chair for a better view and is tracking every move you make. So, can cats eat green beans?
The short answer is yes. PetMD calls green beans a safe, healthy snack for cats, provided they are prepared the right way and offered in moderation. That yes only covers plain beans. Most holiday recipes add butter, salt, onions or garlic, and those extras change the answer for a cat.
Below, you’ll find what green beans offer a cat, the versions to avoid, a sensible daily amount, and an easy way to save a few unseasoned pieces for your cat before you start cooking.
Can Cats Eat Green Beans Safely?
Usually, yes. The veterinarians behind PetMD’s cat nutrition guide consider plain green beans a safe treat for cats.
There is one big reminder, though. Cats are obligate carnivores, so their bodies rely on animal tissue for most of the nutrients they need. Green beans can be a small extra, never a replacement for meat-based cat food.
And if your cat sniffs a bean and walks away? No problem. Cats don’t need green beans in their diet at all.
Here’s how the common types stack up:
- Fresh green beans: Safe. Wash them, trim the stems and cut them into small pieces.
- Frozen green beans: Safe if cooked or thawed with no seasonings. A hard frozen bean can be a choking hazard.
- Canned green beans: Only if labeled “no salt added,” which is what PetMD recommends.
- String beans: Safe as a treat, as long as there is no added salt or seasoning.
- Green bean casserole: Avoid. Even the basic Campbell’s recipe mixes in condensed mushroom soup and piles fried onions on top.
- Buttered or garlicky beans: Avoid. Garlic and onions are dangerous for cats. PetMD also says to serve green beans unseasoned, so skip the butter too.
Are Green Beans Good for Cats?
They can be a healthy little snack. PetMD lists fiber, folate, vitamin C, vitamin A, calcium and iron among the beneficial nutrients in green beans.
PetMD also points out that most research on these benefits has been done in humans rather than cats. So think of green beans as a light, crunchy treat, not a supplement.
The biggest perk may be for cats watching their waistline. Green beans are high in fiber and low in sugar, so they can help a cat feel full while adding very few calories, according to PetMD.
That matters at this time of year, when holiday scraps add up fast. Our guide to avoiding holiday weight gain in indoor cats has more ideas.
How Many Green Beans Can a Cat Eat?
Less than you might think. Per PetMD, a complete and balanced cat food should supply 90% of your cat’s daily calories. That leaves treats of every kind, beans included, at about 10% or less.
A good daily limit for most cats is two or three pieces of green bean, each about 1 inch long, according to PetMD. Here is how to handle each type:
| Type of green bean | Safe for cats? | How to serve |
|---|---|---|
| Fresh, raw | Yes, a few pieces | Wash, trim the stems and cut into 1-inch pieces |
| Fresh, cooked | Yes | Steam or boil in plain water with no seasonings |
| Frozen | Yes | Thaw or cook plain before serving |
| Canned, no salt added | Yes | Serve plain, straight from the can or cooked plain |
| Canned, regular | Skip it | Choose no-salt-added cans instead |
| Casserole or seasoned | No | May contain onions, garlic, salt and fat |
Kittens are a special case. Because kittens younger than 6 months grow and develop so fast, PetMD advises sticking to food made for cats.
Is Green Bean Casserole Safe for Cats?
No. Of all the dishes on the Thanksgiving table, this is the one to guard most closely from curious paws.
Campbell’s original 1955 recipe stirs the beans into condensed cream of mushroom soup and finishes the dish with French fried onions. PetMD warns that onion, garlic, leeks, shallots and chives can harm a cat’s red blood cells even in small amounts, which can lead to anemia that may be fatal.
ASPCA Poison Control adds that cats are more susceptible than dogs to onion, garlic and chives. The ASPCA also notes that too much salt can make a pet thirsty and urinate more, and that signs of salt poisoning range from vomiting and diarrhea to tremors or seizures.
Planning to share other bits of the feast? Check our guides on whether cats can eat turkey and whether cats can eat sweet potatoes first.
What Are the Risks of Feeding Green Beans to Cats?
Plain green beans are about as low risk as cat treats get, but they aren’t risk free. PetMD points to a few issues to keep in mind:
- Nutritional imbalance: A cat that fills up on green beans is less likely to eat enough of the complete cat food it needs.
- Upset stomach: New foods can upset a cat’s tummy, especially if they eat too much too quickly or have a sensitive stomach.
- Choking: Rock-hard frozen beans can be a choking risk and may hurt teeth and gums.
- Seasonings: The beans are not the problem. Ingredients like onion and garlic that often get cooked with them are.
How Do You Prepare Green Beans for Your Cat?
Before the butter and fried onions come out, pull a few beans aside for your cat. The prep is quick:
- Wash: Rinse fresh beans well.
- Trim: Cut off the stems.
- Cook plain or serve raw: Fresh beans are fine raw or cooked, per PetMD. If you cook them, skip the butter, salt and seasonings.
- Cut small: Slice them into 1-inch pieces or smaller.
- Cool: Let cooked beans cool before serving.
Offer a piece by hand or drop it next to your cat’s regular dinner as a festive extra. If your cat is more of a pumpkin fan, our guide to whether cats can eat pumpkin covers that seasonal favorite too.
What Should You Do If Your Cat Eats Too Many Green Beans?
A large serving of plain green beans is usually not an emergency. PetMD advises watching to make sure your cat keeps eating regular cat food and does not develop vomiting, diarrhea or constipation. If you see those signs, contact your veterinarian.
Casserole or garlicky beans are a different story. If your cat ate either, don’t wait for symptoms. Phone your veterinarian or ASPCA Poison Control at (888) 426-4435 straight away (a consultation fee may apply).
Can Cats Eat Green Beans? The Bottom Line
Yes, cats can eat green beans. A few plain, bite-size pieces make a light holiday treat alongside your cat’s regular food. Leave out the seasonings, stop at two or three pieces a day, and keep the casserole off your cat’s menu.
Sharing the holiday with a dog too? Read our guide on whether dogs can eat green beans. And if you’re ever unsure about a new food, check with your vet.
Frequently Asked Questions About Cats and Green Beans
Yes, a few raw pieces are fine for most cats. Wash the beans, trim the stems and cut them small first.
Only canned green beans with no salt added. You can serve them plain, straight from the can or cooked with no seasonings.
No. Campbell’s recipe combines condensed soup with a fried onion topping, and even small amounts of onion can damage a cat’s red blood cells.
Yes, but thaw or cook them plain first. A hard, frozen green bean can be a choking hazard or hurt your cat’s teeth and gums.
No. According to PetMD, the plants themselves are safe for cats. Garden chemicals can be toxic, though, and nibbling unusual plants may upset your cat’s stomach.
Kittens younger than 6 months are growing fast, so stick to food made for cats. Check with your vet before offering anything new.
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 cat’s diet.
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