Can Dogs Eat Kohlrabi?

Yes — kohlrabi is safe for dogs to eat. Both the bulb and the leaves are non-toxic to dogs, and many dogs genuinely enjoy the mild, slightly sweet crunch. It can be served raw or cooked, and it makes a healthy, low-calorie treat or food topper.

That said, there are some guidelines to follow. Not every part of the plant is equally digestible for dogs, portion sizes matter, and certain preparation methods are better than others. Here’s everything you need to know about feeding kohlrabi to your dog.

Nutritional Benefits for Dogs

Kohlrabi offers several nutrients that benefit dogs, many of the same ones that make it nutritionally valuable for humans.

Vitamin C. Kohlrabi is exceptionally high in vitamin C. Dogs produce their own vitamin C (unlike humans), but dietary vitamin C can still support immune function, especially in older dogs or dogs under stress.

Fiber. The moderate fiber content in kohlrabi supports healthy digestion. For dogs prone to constipation or irregular bowel movements, small amounts of fibrous vegetables can help keep things moving.

Potassium. Important for muscle function, nerve signaling, and fluid balance in dogs — the same roles it plays in human bodies.

Low calorie density. A cup of raw kohlrabi has only about 36 calories. For dogs that need to lose weight or maintain a healthy weight, kohlrabi makes a satisfying treat that won’t contribute to obesity the way commercial dog treats often do.

Hydration. Kohlrabi is about 91% water. For dogs that don’t drink enough water on their own (a surprisingly common issue), water-rich vegetables can contribute to overall hydration.

No fat, very low sugar. Unlike many fruits used as dog treats (bananas, apples), kohlrabi has minimal sugar content. This makes it a better option for diabetic dogs or dogs prone to weight gain.

How to Prepare Kohlrabi for Dogs

The preparation matters. Dogs don’t chew their food as thoroughly as humans do, and their digestive systems handle plant matter differently.

Raw Kohlrabi

Dogs can eat raw kohlrabi, and many prefer it for the crunch. Eating kohlrabi raw preserves maximum nutrients, particularly the vitamin C content which degrades with cooking.

How to serve it raw:

• Peel the kohlrabi completely — remove the tough outer skin and fibrous layer beneath it. The peel is difficult for dogs to digest and can cause gastrointestinal irritation.
• Cut into pieces appropriate for your dog’s size. For large dogs, 1/2-inch cubes work well. For small dogs, cut into thin matchsticks or small dice no bigger than 1/4 inch. The goal is pieces small enough that they won’t be a choking hazard if swallowed without chewing.
• Never give a whole kohlrabi bulb to a dog, even a large dog. The hard, round shape is a choking risk, and eating too much at once will cause digestive upset.

Cooked Kohlrabi

Cooking softens the fiber and makes kohlrabi easier for dogs to digest. This is the better option for senior dogs, dogs with sensitive stomachs, or puppies.

Best cooking methods for dogs:

• Steamed: Cut into cubes and steam for 8-10 minutes until tender. This preserves the most nutrients while making the kohlrabi soft and digestible. No added ingredients needed.
• Boiled: Similar to steaming but some nutrients leach into the water. Still a good option. Don’t add salt to the water.
• Plain roasted: Roast cubes at 400°F with a tiny amount of coconut oil or olive oil — no salt, no seasoning. The slight caramelization can make it more appealing to picky dogs.

Do NOT feed dogs kohlrabi prepared with:

• Garlic or onions (toxic to dogs)
• Salt or heavy seasoning
• Butter or cream (can cause pancreatitis in sensitive dogs)
• Any sauce containing xylitol (extremely toxic to dogs)

This means kohlrabi soup or German-style kohlrabi prepared for human consumption is not appropriate for dogs. These recipes typically contain onions, cream, or heavy seasoning. Prepare your dog’s portion separately, plain.

Kohlrabi Leaves

The leaves and stems are also safe for dogs, though most dogs find them less appealing than the bulb. Kohlrabi leaves are nutritious — high in vitamins A, C, and K — but the tough, fibrous texture can be hard for dogs to digest raw.

If you want to feed the leaves, chop them finely and lightly steam them first. A small amount mixed into regular food works as a nutrient boost.

How Much Kohlrabi Can Dogs Eat?

The 10% rule applies: treats and supplemental foods (including vegetables) should make up no more than 10% of your dog’s daily caloric intake. Since kohlrabi is very low in calories, the practical limit is really about digestive tolerance rather than calories.

General guidelines by dog size:

Dog Size	Weight Range	Kohlrabi Per Day
Small	Under 20 lbs	1-2 tablespoons
Medium	20-50 lbs	2-4 tablespoons
Large	50-80 lbs	1/4 to 1/2 cup
Extra Large	Over 80 lbs	Up to 3/4 cup

Start small. If your dog has never eaten kohlrabi before, begin with a very small amount — a few small pieces — and watch for any adverse reactions over the next 24 hours. If everything goes well, gradually increase the portion over several days.

Potential Concerns

Kohlrabi is safe, but “safe” doesn’t mean “unlimited” or “without any possible issues.”

Gas and Bloating

Kohlrabi is a cruciferous vegetable (it’s in the same family as cabbage, broccoli, and Brussels sprouts). These vegetables contain raffinose, a complex sugar that dogs — like humans — can’t fully digest. Gut bacteria ferment it instead, producing gas.

Small to moderate amounts are usually fine. But too much kohlrabi, especially raw, can cause noticeable gas, bloating, and loose stools. This is the most common issue dog owners report.

If your dog is prone to gas or has a sensitive stomach, stick with cooked kohlrabi in small amounts. Cooking breaks down some of the raffinose.

Choking Hazard

Raw kohlrabi is hard and dense. Large pieces or whole chunks can be a choking hazard, especially for small dogs or dogs that tend to gulp their food without chewing. Always cut to an appropriate size for your specific dog.

Thyroid Concerns

Cruciferous vegetables contain goitrogens — compounds that can interfere with thyroid function when consumed in very large quantities. For dogs with existing thyroid conditions (hypothyroidism is common in certain breeds), consult your vet before adding kohlrabi or any cruciferous vegetable to their diet regularly.

For healthy dogs eating normal treat-sized portions, goitrogens in kohlrabi are not a practical concern. The amounts are simply too small to have any measurable effect.

Pesticide Residue

If you’re feeding kohlrabi to your dog, wash it thoroughly or choose organic. Dogs are generally smaller than humans, so the same amount of pesticide residue represents a proportionally larger exposure. This isn’t unique to kohlrabi — it applies to any produce fed to pets.

If you grow your own kohlrabi, you control what goes on it, which is the ideal scenario for pet-safe produce.

Creative Ways to Serve Kohlrabi to Dogs

Beyond simply cutting it into pieces, there are a few ways to make kohlrabi more interesting for dogs:

Frozen kohlrabi cubes. Cut kohlrabi into cubes and freeze them. These make excellent warm-weather treats — cooling, crunchy, and long-lasting. They’re also good for teething puppies who need something hard to chew on.

Kohlrabi food topper. Steam and mash kohlrabi, then mix a tablespoon or two into your dog’s regular food. This adds moisture, nutrients, and a different texture that can entice picky eaters.

Dehydrated kohlrabi chips. Slice kohlrabi very thin and dehydrate in a food dehydrator or low oven (200°F for 3-4 hours). These become crunchy chips that many dogs love as training treats. No added ingredients needed — the natural mild sweetness is enough.

Stuffed Kong. Mash steamed kohlrabi and stuff it into a Kong toy, then freeze overnight. This keeps dogs occupied and provides a healthy, low-calorie alternative to peanut butter or cheese stuffings.

When to Talk to Your Vet

While kohlrabi is generally safe for dogs, consult your veterinarian before adding it to your dog’s diet if:

• Your dog has thyroid problems
• Your dog is on a prescription diet
• Your dog has a history of bladder stones (cruciferous vegetables contain oxalates)
• Your dog has inflammatory bowel disease or chronic digestive issues
• Your dog is diabetic (kohlrabi is low-sugar but any dietary change should be discussed)

The Bottom Line

Kohlrabi is a safe, nutritious, low-calorie treat for most dogs. It provides vitamins, fiber, and hydration without the sugar content of many fruit-based dog treats. Serve it peeled, cut to an appropriate size, either raw or simply cooked without seasoning. Start with small amounts and increase gradually.

It’s not a replacement for a balanced dog food — no single vegetable is — but as an occasional treat or food supplement, kohlrabi is one of the better options out there. And if your dog enjoys the crunch, you’ve found a healthy treat that costs practically nothing, especially if you grow it yourself.