Can Dogs Eat Cauliflower? Is It Safe for Dogs?

Cauliflower is not considered a very tasty vegetable, and this is why many people only use it when they are on a diet. It is part of the cruciferous family, along with cabbage, broccoli, Brussels sprouts, collards, radishes, and a few others. Even if it is not very tasty, cauliflower is a vegetable worthy of all praise, with multiple proven benefits for our health.

Dogs usually want whatever we eat, and that is why, they might see cauliflower as an extremely tasty treat. But can dogs eat cauliflower when they crave our food? Is it safe for them?

So, Is Cauliflower Good or Bad for Dogs?

Dogs can eat cauliflower. It is safe for consumption and has many benefits and few calories. Cauliflower is packed with fiber; therefore, your beloved pet can be a little gassier than normal. So, don’t overfeed him.

Although its composition and nutritional benefits are basically the same as broccoli, there are indeed some differences. These vegetables must always be served in moderation because they can cause some digestive disorders. Each body has a different level of tolerance, and for some dogs, cauliflower could lead to bloating and gas. However, cauliflower is a low-calorie vegetable that can help dogs pass stool more easily.

If your dog prefers cauliflower instead of commercial treats, be happy because your pet can physically consume more without gaining weight or unbalancing its diet.

Don’t forget to consult your vet before introducing a new food into your dog’s diet.

Are The Leaves and Stems Safe for Dogs?

Cauliflower stems and leaves are also safe for dogs to eat. As in the case of inflorescences (cauliflower head), they can cause gastrointestinal upset if consumed in large quantities.

Even if they are safe for dogs, it is recommended to remove the stem because it is extremely fibrous and can cause more serious gastrointestinal disorders.

Small and toy breeds also have an increased risk of choking on the leaves and stems of cauliflower. Leaves and stems also present a higher risk for intestinal blockage if ingested whole.

If your dog is choking – it starts coughing, gagging, or tries to vomit, its tongue and gums turn blue-purple, or your pet can’t breathe – open its mouth and see if you can extract the stuck cauliflower pieces. Otherwise, call the vet ASAP.

If it is an intestinal blockage, the symptoms usually appear within 24 hours and include:

  • Vomiting – often frequent
  • Diarrhea – when it is a partial intestinal blockage
  • Appetite loss
  • Abdominal discomfort and pain
  • Bloating
  • Lethargy
  • Weakness
  • Dehydration

For these reasons, it is recommended to cut the cauliflower into small pieces and cook it. This way, it will become softer, making it easier for your pet to chew and digest it.

How to Cook Cauliflower For Your Dog

When it comes to our pets, we must take into account the fact that they do not need spices (salt, pepper, etc.), extra fats, or other ingredients (e.g. garlic, onion, chives). These ingredients can be harmful and even cause death, so it is best to avoid them than be sorry later.

The simplest ways of cooking are also the healthiest. You can cook cauliflower for your dog by boiling or steaming it. After cooking, cut it into small cubes and serve it as is (as a treat) or add it to your dog’s rice.

If you don’t have time to cook the cauliflower, and your dog is crazy about it, it’s safe to offer it raw or frozen. But don’t forget to cut it into small pieces to avoid an intestinal blockage or choking.

How Much Cauliflower Can Dogs Eat?

The amount of cauliflower you can give your dog depends on several factors:

  • Size
  • Weight
  • Health condition

Cauliflower should be part of a balanced diet along with many other vegetables. Do not forget to take into account the fact that it can cause gastrointestinal upset and gas.

Health Benefits of Cauliflower

Cauliflower contains fiber, vitamins, minerals, and antioxidants. It is very low in calories, providing only 26 calories per 100 g.

Due to the fibers in the composition, cauliflower is a vegetable that favors the digestion process. Consumed frequently, it facilitates intestinal transit and prevents digestive diseases.Fiber helps maintain a healthy digestive system, but too much cauliflower can cause gastrointestinal problems. Insoluble fibers (they do not dissolve in water) have a high absorption capacity. Once they reach the small intestine, they swell like a sponge and attract all the waste. Insoluble fibers have a special role in the feces’ constitution and digestion regulation, reducing the incidence of gastrointestinal problems (constipation and diarrhea). They slow down your dog’s digestion and give a feeling of satiety after meals, helping it lose weight. Cauliflower is also an acceptable vegetable for obese or diabetic dogs.

Vitamin K is fat-soluble and contains an essential protein for blood coagulation and bone metabolism – prothrombin. This vitamin helps regulate the level of calcium in the blood and reduces the risk of heart disease. Vitamin K and Omega 3 help prevent chronic inflammation that can lead to diseases such as arthritis.

The antioxidants in cauliflower (vitamin C, vitamin A, beta-carotene, and folic acid) protect the health of your beloved pet by fighting free radicals. They strengthen your dog’s immune system, have anti-inflammatory properties, prevent some types of cancer and heart disease, and have important benefits related to age and cognition.

Sulforaphane is the compound in cauliflower that seems to block the development of tumors, being effective in fighting mammary, ovarian, and prostate cancer.

The minerals found in cauliflower (potassium, calcium, magnesium, and manganese) support your pet’s skeletal structure, play a role in fluid balance and cellular function, and support the nervous and muscular systems.

Here is the nutritional composition of cooked cauliflower:

  • Water: 93 g
  • Energy: 23 kcal
  • Protein: 1.84 g
  • Carbohydrates: 4.11 g
  • Total fiber: 2.3 g
  • Total sugars: 2.08 g
  • Calcium: 16 mg
  • Iron: 0.32 mg
  • Magnesium: 9 mg
  • Phosphorus: 32 mg
  • Potassium: 142 mg
  • Sodium: 15 mg
  • Zinc: 0.17 mg
  • Folate: 44 μg
  • Vitamin C: 44.3 mg
  • Vitamin E: 0.07 mg
  • Vitamin K: 13.8 μg

What Are Some Other Healthy Vegetables for Dogs?

We all know dogs love vegetables, and they can successfully supplement your pet’s diet. Whether you want your dog to lose some weight or are just looking for healthy alternatives to commercial pet treats, here is a list of vegetables that are safe for dogs to eat:

  • Broccoli
  • Brussels sprouts
  • Cabbage
  • Carrot
  • Celery
  • Green beans
  • Green peas
  • Cucumber
  • Zucchini
  • Spinach
  • Pumpkin
  • Sweet potatoes
  • Beet
  • Asparagus
  • Bell pepper


Can Dogs Eat Frozen Cauliflower?

Yes, dogs can eat frozen cauliflower but not in large quantities because it can lead to an upset stomach and gas accumulation. Too much frozen cauliflower can also damage your dog’s teeth. To make the experience even more pleasant and fun for your pup, you can hide the frozen cauliflower in a Kong toy and let your pet enjoy it bit by bit.

Can Dogs Eat Cauliflower Rice?

Cauliflower rice is perfectly safe for dogs as long as it does not contain harmful ingredients such as onions, garlic, or chives. Also, make sure it does not contain too much salt, fat, pepper, or other spices. Too much cauliflower rice can cause bloating and other gastrointestinal disorders, so feed it in moderation. You can serve it as such or mix it into your dog’s food. You can buy it from the store or obtain it at home by grating the cauliflower.

Can Cauliflower Cause and Upset Stomach?

Even if cauliflower is full of essential nutrients and good for your dog’s health, it can cause gastrointestinal disorders if served in excess. A small dog should consume around 1-2 pieces of cauliflower per day, and a large dog no more than 4-5. If your dog suffers from diarrhea or loose stools, do not feed it cauliflower. Even if your dog is healthy, you should consult your veterinarian when you want to introduce a new food into your dog’s diet.

Bottom line

Cauliflower is safe and good for dogs id offered in small amounts. Too much cauliflower can lead to gastrointestinal problems, such as diarrhea, bloating, and gas accumulation.

You should also cut the cauliflower into small pieces before serving it, especially if you have a small breed dog or a puppy. They can choke on the big pieces or develop an intestinal blockage. Both are considered veterinary emergencies, so it is best to be safe than sorry.

The best way to serve cauliflower is boiled or steamed. You can also serve it raw or frozen.

Photo of author
Dr. Lulia Mihai, DVM

I am a veterinarian from Romania with a Master's degree in pets' pathology and a PhD in pets' cancer. I have experience in researching (I wrote various academic articles for international journals) and writing academic and blog articles. I started writing about pets over 3 years ago and made it a full-time job. I have a bunch of pets and I think they are lucky to have the vet at home. I like to educate people about everything there is to know about pets - nutrition, training, behaviour, diseases, you name it! I've written hundreds of pet articles in these 3 years.