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Can Dogs Eat Zucchini?

SAFE

SAFE — plain zucchini is one of the safer vegetables for dogs. Wash it and cut it into small pieces, served raw or plainly cooked with no oil, salt or seasoning.

Zucchini is low in calories, high in water and widely considered dog-friendly. It can be served raw or plainly cooked, and the skin and seeds of a standard zucchini are fine. Avoid oil, salt, garlic and onion, and skip any zucchini that tastes unusually bitter.

See our guide to vegetables dogs can and can't eat to compare this with the rest of the vegetable list.

On this page
A whole green zucchini beside a plate of zucchini slices and cubes

Quick answer

Category
Vegetables
Recommended preparation
Wash and cut into small pieces; raw or plainly cooked
Main concern
Choking on large chunks; seasoned or oily preparations
Suitable as everyday food
Regular treat in moderation

The full answer

Zucchini — courgette in the UK — is a mild, watery vegetable that most dogs tolerate well. It is very low in calories, which makes it a useful treat for dogs that need to watch their weight, and it can be served raw for crunch or lightly cooked for dogs that prefer softer food.

There is very little to remove. The skin and the small soft seeds of a normal zucchini are fine, so washing and cutting is usually all that is needed. Cut pieces to a size your dog can chew comfortably; large chunks are the main choking risk with any firm vegetable.

Two caveats. First, preparation: zucchini fried in oil, roasted with garlic and onion, or served in a seasoned bake is not suitable for dogs. Second, bitterness — home-grown squash occasionally develops a very bitter taste from naturally occurring cucurbitacins, and unusually bitter zucchini should be discarded rather than fed to your dog.

Is Zucchini Good for Dogs?

Fresh raw zucchini, washed and cut into small pieces

Plainly steamed or boiled zucchini with nothing added

Grated raw zucchini mixed into a meal as a low-calorie bulker

Potential benefits

  • Very low in calories and high in water
  • Provides fibre without much sugar
  • Suits raw or cooked serving, so it fits most dogs' preferences
  • Easy to cut into training-sized pieces

Risks and Things to Know

  • Large chunks can be a choking risk, especially for small dogs
  • Oil, salt, garlic and onion in cooked dishes are unsuitable or harmful
  • Unusually bitter home-grown zucchini should not be fed
  • Large amounts of any raw vegetable can cause gas or loose stools

How Much Can Dogs Eat?

There is no single correct amount of zucchini for every dog. The right portion depends on your dog's size, calorie needs, health and the rest of their diet. A widely used general principle is that treats — including fruit and vegetables — should stay a small share of daily calories, with the bulk coming from a complete, balanced dog food.

Start with a very small amount the first time and watch how your dog reacts over the following day before offering more. If your dog has a health condition, is overweight, or is on a prescribed diet, check with your vet before adding anything new.

How Should I Prepare It?

  • Wash the zucchini thoroughly.
  • Trim the ends and cut it into small pieces, rounds or cubes suited to your dog.
  • Serve raw, or steam or boil plainly with no oil, salt or seasoning.
  • Taste-check home-grown zucchini and discard anything unusually bitter.
  • Grate it into a meal if your dog is not keen on vegetable chunks.

Can Puppies Eat Zucchini?

Puppies are still growing and are usually on a carefully balanced growth diet, so extras should stay minimal. If you do offer zucchini, use a very small, finely cut piece and watch for any digestive upset.

Your vet is the best person to ask before adding any new treat to a puppy's routine.

What If My Dog Ate Too Much?

Eating a large amount of zucchini in one go can cause stomach upset, gas or loose stools. Mild, short-lived upset often settles on its own — keep fresh water available and monitor your dog.

Contact your vet if symptoms are severe or persistent, if your dog seems unwell or in pain, or if you think a whole pit, core, large piece or a sweetened product was swallowed.

This guide is for general educational purposes and isn't a substitute for advice from your veterinarian. If your dog has eaten something potentially toxic or is showing concerning symptoms, contact a veterinarian promptly.

Frequently Asked Questions

Yes — plain zucchini is generally considered safe for dogs. Wash it and cut it into small pieces, served raw or plainly cooked.

The skin and the small soft seeds of a standard zucchini are fine for dogs. Just wash it well and cut it into manageable pieces.

Both work. Raw is crunchier and keeps more water; plainly steamed is softer and easier for older dogs. Avoid oil, butter, salt, garlic and onion.

It is very low in calories and high in water, which makes it a reasonable treat for weight-conscious dogs. Discuss any diet plan with your vet.

Courgette and zucchini are the same vegetable — the guidance is identical.

Home-grown squash can occasionally develop high levels of naturally bitter compounds called cucurbitacins, which can cause digestive upset. Discard anything that tastes strongly bitter.

Small, finely cut pieces are unlikely to cause problems, but puppies should get their calories from a complete growth diet. Check with your vet.

Keep treats to a small share of daily calories. A few small pieces for a medium dog is a sensible starting point.

How this guide was written

Last updated 8 September 2026. We write from widely published, mainstream pet-health sources and avoid presenting feeding amounts as veterinary prescriptions.

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