Yes — dogs can eat courgette, and it is one of the most straightforwardly safe and useful vegetables you can add to your dog’s diet. PetMD confirms that plain, fresh courgette without added oils, salts, or seasonings is a healthy, low-calorie treat for dogs. The PDSA includes courgette on its list of safe vegetables for dogs. Blue Cross UK endorses it as a safe snack option.
Table of Contents
Courgette — known as zucchini in the US, Australia, and much of continental Europe — is the same vegetable whatever it’s called, and all veterinary guidance applies equally regardless of the name. It is low in calories, high in water content, rich in vitamins and antioxidants, gentle on digestion, and one of the most versatile vegetables in terms of how it can be prepared and served.
There is one unusual safety point worth knowing about — the bitter courgette warning — that genuinely distinguishes this article from most others on the topic.
Courgette vs Zucchini — The Same Vegetable
For clarity, particularly for readers in different regions:
- Courgette — the term used in the UK, Ireland, France, and much of Europe
- Zucchini — the term used in the US, Australia, Canada, and Italy
- Baby marrow — the term sometimes used in South Africa
All refer to Cucurbita pepo — the same summer squash. Any veterinary guidance on zucchini applies directly to courgette.
Is Courgette Good for Dogs?
Courgette’s nutritional profile is genuinely impressive for such a low-calorie vegetable:
Vitamins A, C, and K
Vitamin A supports healthy vision, skin condition, coat quality, and immune function. Vitamin C is an antioxidant that supports immune response and tissue repair. Vitamin K is essential for proper blood clotting and bone metabolism. All three are present in useful amounts — courgette delivers a broad vitamin range in a single low-calorie vegetable.
B Vitamins — Including B6 and Folate
Vitamin B6 supports brain health, hormone regulation, and immune function. Folate supports healthy cell production and red blood cell formation, particularly relevant for puppies and pregnant dogs. Courgette provides both in useful amounts per serving.
Potassium and Manganese
Potassium supports healthy heart function, nerve signalling, and muscle development — an important mineral at every life stage. Manganese supports enzyme function, energy production, and bone development. Both present in meaningful amounts per serving of courgette.
Antioxidants — Carotenoids and Polyphenols
Courgette contains a range of antioxidant compounds including beta-carotene, lutein, and zeaxanthin. These carotenoids support eye health and reduce oxidative stress throughout the body. Importantly, the skin of the courgette contains the highest concentration of these antioxidants — a good reason to serve it unpeeled where possible.
Dietary Fibre
Both soluble and insoluble fibre, supporting healthy digestion, regular bowel movements, and gut microbiome health. The fibre content is gentle — courgette does not produce the gas issues associated with cruciferous vegetables like broccoli or cabbage, making it one of the better vegetable options for dogs with sensitive stomachs.
Very High Water Content
Courgette is approximately 95% water — one of the highest water content vegetables available. This makes it exceptionally hydrating and contributes to a genuine feeling of fullness without meaningful calorie intake. Particularly useful as a warm-weather treat and for dogs who need encouragement to stay hydrated.
Exceptionally Low in Calories
A cup of raw courgette contains around 20 calories. This makes courgette one of the most generous treat options by volume in the entire “Can Dogs Eat” series — you can give a substantial amount without meaningfully impacting daily calorie intake.
The Weight Management Case
Courgette deserves specific mention as a weight management tool for dogs. Many dogs on calorie-restricted diets struggle with the reduced volume of food — they feel genuinely hungry between meals even when their calorie needs are being met. Courgette addresses this directly.
Adding a meaningful portion of plain courgette to a dog’s meal increases the total volume of food significantly without adding the calories that would undermine the weight management goal. The high water and fibre content promotes satiety — the dog feels fuller for longer. The nutritional value adds genuine benefit beyond just “bulk.”
Vets frequently recommend vegetables including courgette for overweight dogs for exactly this reason. If your dog is on a weight management plan and always seems hungry, plain courgette is one of the most practical dietary additions you can make.
The Bitter Courgette Warning — An Important Safety Point
This is the genuinely unusual safety consideration specific to courgette that most articles don’t cover — and it is worth knowing.
Cucurbit vegetables (the family that includes courgettes, cucumbers, pumpkins, and squash) naturally produce compounds called cucurbitacins as a defence mechanism against insects and grazing animals. In commercially grown courgettes, cucurbitacin levels are selectively bred to be very low — safe for both humans and dogs. However, in certain circumstances, cucurbitacin levels can become elevated:
- Home-grown courgettes cross-pollinated with ornamental gourds or wild cucurbits
- Stressed plants — plants that have experienced drought, heat stress, or disease
- Overly mature or very large courgettes left on the plant too long
A courgette with elevated cucurbitacins tastes intensely bitter — and this bitterness is the warning signal. Cucurbitacins cause severe gastrointestinal upset in dogs and humans alike: violent vomiting, profuse diarrhoea, and abdominal cramping. In severe cases, dehydration and electrolyte loss from the vomiting and diarrhoea can require veterinary treatment.
The rule: always taste a small piece of courgette before giving it to your dog. If it tastes bitter — even mildly so — do not give it. A safe courgette is mild and slightly sweet. Any bitterness at all is a reason to discard it. This applies particularly to home-grown courgettes, very large courgettes, and any courgette that has been left on the plant beyond normal harvest size.
Commercially purchased courgettes from supermarkets or greengrocers are very rarely problematic — but the taste check takes two seconds and eliminates the risk entirely.
Raw vs Cooked Courgette — Both Are Fine
Courgette is one of the more flexible vegetables in terms of preparation — both raw and cooked versions are appropriate for most dogs, and the choice depends more on your dog’s preferences and digestive sensitivity than any safety consideration.
Raw courgette — excellent nutritional profile, high water content, satisfying crunch. Appropriate for most dogs. Wash thoroughly (to remove any pesticide residue or surface bacteria), remove the stem end, cut into appropriately sized pieces, serve plain.
Steamed courgette — softer texture, easier to digest, good for dogs with sensitive stomachs, puppies, and senior dogs. Retains more nutritional value than boiling. Serve plain, cooled to room temperature.
Boiled courgette — very soft, easy to digest, good for puppies or dogs recovering from digestive upset. Some nutritional value lost to the cooking water but still useful.
Roasted courgette — safe if completely plain, no oil, no salt, no seasoning. Most roasted courgette prepared for humans is coated in oil and seasoned — only give to your dog if you know it was prepared completely plain.
Fried courgette — never. PetMD is clear: dogs should not eat fried courgette. The oil involved creates pancreatitis risk, and battered or breadcrumbed versions add refined carbohydrates and salt that are inappropriate for dogs.
Courgette in seasoned dishes — never. Ratatouille, courgette fritters, courgette with garlic or onion, courgette soup — all contain ingredients that are harmful to dogs. Only plain, unseasoned courgette.
Can Dogs Eat Courgette Skin?
Yes — and they should. The skin contains the highest concentration of antioxidants including lutein and zeaxanthin. Peeling the courgette reduces the nutritional value without adding any safety benefit. Always wash the skin thoroughly before serving, particularly for commercially grown courgettes where pesticide residue on the skin is a consideration.
Can Dogs Eat Courgette Flowers?
Courgette flowers — the bright yellow flowers that appear on the plant — are safe for dogs in small amounts. They are not toxic and contain trace amounts of the same nutrients as the vegetable. However, they are not nutritionally significant enough to seek out specifically, and the stem of the flower should be removed before offering. If you grow courgettes and your dog shows interest in the flowers, a small nibble is not a cause for concern.
Can Dogs Eat Courgette Seeds?
Yes — courgette seeds are safe for dogs. They are soft and small enough not to pose a choking hazard in mature courgettes. Unlike pumpkin seeds (which require preparation before giving to dogs), courgette seeds present no significant risk and do not need to be removed before serving.
How Much Courgette Can a Dog Have?
Given how low in calories courgette is, the standard 10% daily treat guideline allows for a generous portion by volume. PetMD recommends keeping portions appropriate for your dog’s size:
- Small dogs (under 10kg) — a few thin slices or small cubes, a few times a week
- Medium dogs (10–25kg) — a handful of pieces, a few times a week
- Large dogs (over 25kg) — a generous portion, a few times a week
Introduce gradually when giving courgette for the first time — start with a single small piece and monitor for any digestive reaction before offering more. Too much courgette too quickly can cause loose stools from the fibre and water content, even though the vegetable itself is gentle.
Can Puppies Eat Courgette?
Yes — courgette is one of the better vegetable introductions for puppies. It is gentle on developing digestive systems, low in calories, soft when steamed, and nutritionally useful. Cut into very small pieces to eliminate choking risk. Start with a tiny amount and monitor carefully. Pooch and Mutt’s vet-reviewed guidance specifically confirms that puppies can eat courgette.
Can Senior Dogs Eat Courgette?
Absolutely — courgette is particularly well-suited to senior dogs. The soft texture when steamed is easy on older teeth and gums. The antioxidant content supports healthy ageing. The very low calorie density is useful for older dogs who are less active and prone to weight gain. The hydration benefit is valuable for senior dogs who may not drink as much water as they should.
How to Serve Courgette to Your Dog
Raw slices or cubes — wash, remove the stem, cut into pieces appropriate for your dog’s size, taste a piece first (the bitter courgette check), serve plain. Simple, quick, and retains the maximum nutritional value.
Steamed pieces — steam plain until just tender, cool completely, serve. Best for sensitive stomachs and senior dogs.
Frozen courgette pieces — cut raw courgette into pieces, freeze on a tray, serve from the freezer. An excellent warm-weather treat — the high water content makes frozen courgette particularly refreshing. A firm favourite on hot days.
Grated into food — raw courgette grated finely and mixed into regular food is an excellent way to add nutritional variety and hydration without requiring the dog to be enthusiastic about courgette as a standalone treat. Most dogs don’t notice it.
As a food topper — sliced or diced courgette added to regular food adds volume, nutrients, and hydration without impacting the calorie count meaningfully.
Courgette “noodles” — spiralised raw courgette is a popular human food trend that translates perfectly to dogs. Spiralised courgette is easy to eat, low calorie, and most dogs find the novel texture interesting. Serve plain.
Signs Your Dog Has Had Too Much
Even gentle vegetables can cause digestive upset when given in excess:
- Loose stools or diarrhoea
- Gas or bloating
- Vomiting
- Loss of appetite
Mild symptoms should resolve within 24 hours. Reduce the amount given going forward. Contact your vet if symptoms persist or worsen.
The Bottom Line
Courgette is one of the most straightforwardly beneficial vegetables you can give a dog — confirmed safe by PetMD, the PDSA, and Blue Cross UK. It is exceptionally low in calories, high in water content, gentle on digestion, and nutritionally useful across a broad range of vitamins, minerals, and antioxidants. The skin contains the highest antioxidant concentration so leave it on where possible.
The only specific safety consideration is the bitter courgette warning from cucurbitacin toxicity — taste a piece before giving it to your dog every time, and discard if it is at all bitter. That simple check eliminates the one meaningful risk entirely.
Serve it raw or plain-cooked, appropriately sized, without any seasoning or oil, and courgette is one of the easiest and most useful natural treat and food topper additions you can make for your dog at any life stage.
Frequently Asked Questions
Can dogs eat raw courgette? Yes — raw courgette is safe and nutritionally excellent for dogs. Wash thoroughly, remove the stem, cut into appropriately sized pieces, and taste a piece first to check for bitterness before serving.
Can dogs eat courgette skin? Yes — the skin contains the highest concentration of antioxidants including lutein and zeaxanthin. Leave the skin on and wash it well before serving.
Is courgette the same as zucchini for dogs? Yes — courgette and zucchini are different regional names for the same vegetable (Cucurbita pepo). All guidance applies equally to both.
Why does courgette taste bitter sometimes? Bitter courgette contains elevated levels of cucurbitacins — compounds that cause severe gastrointestinal upset. Always taste a piece before giving it to your dog. If it tastes bitter, discard it.
Can dogs eat courgette every day? Small amounts daily are unlikely to cause harm given how low in calories and how gentle courgette is. A few times a week as part of a varied diet is a good approach.
Is courgette good for dogs on a diet? Yes — courgette is one of the best vegetables for overweight dogs. Very low in calories, high in water and fibre, it adds bulk and promotes satiety without contributing meaningfully to daily calorie intake.
Sources:
- PetMD — Dr. Sandra C. Mitchell DVM, DABVP: plain, fresh courgette without added oils, salts, or seasonings is a healthy, low-calorie treat for dogs; dogs should not eat fried courgette due to pancreatitis risk (petmd.com): https://www.petmd.com/dog/nutrition/can-dogs-eat-zucchini
- PDSA — courgette listed as a safe vegetable for dogs (pdsa.org.uk): https://www.pdsa.org.uk/pet-help-and-advice/looking-after-your-pet/puppies-dogs/safe-fruit-and-veg-for-dogs
- Blue Cross UK — courgette endorsed as a safe snack option for dogs (bluecross.org.uk): https://www.bluecross.org.uk/advice/dog/health-and-injuries/foods-your-dog-can-and-cant-eat
- ASPCA Animal Poison Control Center — Cucurbita pepo (courgette/zucchini) confirmed non-toxic to dogs (aspca.org)
For more low-calorie vegetable treat guides, see our articles on celery, cucumber, and bell peppers — or browse the full Can Dogs Eat series for more guides on safe and unsafe foods for dogs.