Are plum stones poisonous to dogs?

They contain a compound that releases a small amount of cyanide as it breaks down, and they are also a genuine choking and blockage hazard on their own. A single accidentally swallowed stone is unlikely to cause serious harm, but there is no reason to feed one on purpose — always remove it first.

Can dogs eat plum skin?

Yes, most dogs can eat the skin without any issue once it has been washed. There is no need to peel a plum before giving your dog a piece of the flesh.

Can puppies eat plums?

In small amounts, once they are weaned and settled onto solid food. Remove the stone completely, cut the flesh small, and introduce it gradually like any new food, watching for any change in their stools.

My dog swallowed a plum stone — what should I do?

Contact your vet, particularly if your dog is small or seems uncomfortable, is gagging, or is straining. Even without symptoms straight away, a vet can advise whether it needs monitoring or a check based on your dog's size and how much was swallowed.

Can dogs eat dried plums or prunes?

It is better to avoid them. Dried fruit is far more concentrated in sugar than the fresh version, and prunes in particular have a natural laxative effect that can cause an upset stomach well beyond what a piece of fresh plum would.

Can dogs eat plums?

Yes, dogs can eat the flesh of a plum, but the stone has to come out first every time. The stone contains a compound that can release cyanide as it breaks down, it is a genuine choking and blockage risk on its own, and neither problem has anything to do with the flesh itself, which is safe in small amounts.

Why plum flesh is fine in small amounts

Plum flesh is not dangerous for dogs. It carries fibre and vitamin C along with a fair amount of natural sugar, and most dogs enjoy the sweet taste enough to treat a piece of plum the same way they would any other fruit treat.

The stone is a different matter entirely, and it is the reason plums need more preparation than a fruit like a blackberry or a blueberry. Removing it is not optional — it is the one step that makes the rest of the fruit safe to share.

Why the stone is the real risk

Plum stones contain a compound that releases a small amount of cyanide as it is broken down, the same substance found in apple pips and cherry stones. A dog who swallows one accidentally is unlikely to get a meaningful dose from a single stone, but there is no reason to take that chance on purpose.

The bigger everyday risk is physical rather than chemical: a plum stone is hard, roughly round, and exactly the sort of shape that can lodge in a dog's throat or cause a blockage further down if swallowed whole, particularly in a smaller dog.

How to serve plums safely

Wash the plum, cut it in half, and remove the stone completely before offering any flesh to your dog. Cut the flesh into pieces sized for your dog rather than handing over a whole half, especially for small breeds and puppies.

There is no need to peel a plum — the skin is fine for most dogs to eat once washed. Keep portions small given the natural sugar content, and treat plum as an occasional extra rather than a daily habit.

The same rule applies to other stone fruit your dog might come across in the garden or fruit bowl — cherries, apricots and peaches all carry the same stone hazard, so removing the stone first is worth doing as a habit rather than something to remember only for plums.

When to hold off

Skip plums, or check with your vet first, for a dog who is overweight, diabetic, or on a diet that limits sugar. A dog with a known sensitive stomach should start with a small piece and be watched before it becomes a regular treat.

If your dog manages to eat a whole plum, stone included, watch for gagging, discomfort, vomiting or straining over the following day or two, and contact your vet if any of that happens rather than waiting to see if it passes on its own.

Make treat time better

Things we stock that owners commonly reach for here. Nothing on this page depends on you buying one.

Inflatable Herding Ball with Handles for Dogs

A large, tough inflatable herding ball that taps into your dog's natural chase-and-nudge instinct. Reinforced bite-resistant fabric and grab handles make it great for active outdoor play with medium and large breeds.

£29.99

Chicken-Wrapped Milk Stick Dog Treats

Chewy dog treats of soft milk sticks wrapped in real chicken for tasty, protein-rich rewarding.

From£12.99

Plush Strawberry Snuffle Mat

An interactive foraging mat with removable plush strawberries that hide treats and kibble. Encourages natural snuffling and slows feeding, providing mental enrichment for dogs, rabbits and guinea pigs alike.

From£13.99

Plush Snuffle Foraging Mat

A roll-up plush snuffle mat with cute animal designs. Hide treats in the folds and let your pet sniff and forage to find them - a rewarding enrichment game that beats boredom and slows feeding.

£13.99

Browse all of Can dogs eat… →

Common questions

Are plum stones poisonous to dogs?: They contain a compound that releases a small amount of cyanide as it breaks down, and they are also a genuine choking and blockage hazard on their own. A single accidentally swallowed stone is unlikely to cause serious harm, but there is no reason to feed one on purpose — always remove it first.
Can dogs eat plum skin?: Yes, most dogs can eat the skin without any issue once it has been washed. There is no need to peel a plum before giving your dog a piece of the flesh.
Can puppies eat plums?: In small amounts, once they are weaned and settled onto solid food. Remove the stone completely, cut the flesh small, and introduce it gradually like any new food, watching for any change in their stools.
My dog swallowed a plum stone — what should I do?: Contact your vet, particularly if your dog is small or seems uncomfortable, is gagging, or is straining. Even without symptoms straight away, a vet can advise whether it needs monitoring or a check based on your dog's size and how much was swallowed.
Can dogs eat dried plums or prunes?: It is better to avoid them. Dried fruit is far more concentrated in sugar than the fresh version, and prunes in particular have a natural laxative effect that can cause an upset stomach well beyond what a piece of fresh plum would.

Sources

Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.