How often can I give my tortoise blackberries?

Once every week or two is a sensible frequency for most Mediterranean tortoise species. Fruit should stay an occasional treat rather than a regular part of the diet, which should be built around weeds and leafy greens.

Can baby or juvenile tortoises eat blackberries?

It's best to be more cautious with young, growing tortoises, offering an even smaller piece less often than you would for an adult, since their digestive systems are still developing.

What other fruits are safe for tortoises in the same way?

Small amounts of strawberry, raspberry and melon are generally treated the same cautious way as blackberries — fine occasionally, not as a regular feature — for the same Mediterranean tortoise species.

My tortoise won't eat their normal greens if I offer fruit — what should I do?

This is common, since fruit is naturally more appealing than fibrous greens. Offer fruit rarely and in a small amount so it doesn't become something your tortoise holds out for instead of eating their main diet.

Can eating too much fruit make a tortoise ill?

Yes — a diet too high in sugar and too low in fibre can disturb a tortoise's gut bacteria and contribute to digestive problems over time, which is why fruit like blackberries should stay occasional rather than routine.

Can tortoises eat blackberries?

Yes, most pet tortoises can eat a small piece of blackberry as an occasional treat, but fruit generally should stay a rare addition rather than a regular feature of their diet. Many common pet tortoise species — Mediterranean tortoises like Hermann's and spur-thighed being the most widely kept in the UK — are grazing herbivores whose digestive systems are built around high-fibre weeds and leafy greens, not sugary fruit.

Picked for your pet

Tortoise Feeding Kit

Komodo tortoise salad mix, hay cakes, a flower treat bar and calcium supplement for a balanced tortoise diet.

£20.49

Pettex Reptile Tortoise

Calcium-added tortoise substrate, 10 litres, for arid-habitat tortoises and lizards

£9.99

Komodo Tortoise Eco Terrain

Soil and sand substrate for arid tortoises, deep enough to burrow in, 10 litres

£9.99

Komodo Tortoise Leaf Mix

A 100G dried botanical leaf mix as a complementary treat for tortoises and other reptiles

£5.29

Why blackberries are a treat, not a staple

Blackberries are higher in natural sugar and water than the weeds and leafy greens that should make up the bulk of a Mediterranean tortoise's diet. Fed too often, sugary fruit can disturb the balance of gut bacteria a tortoise relies on to digest fibre properly, which is a bigger problem for a tortoise than it would be for many other pets.

An occasional small piece — once every week or two rather than as a regular addition — lets a tortoise enjoy the variety without the sugar content becoming a habit their digestion has to work around constantly.

Species matters more than the fruit itself

Not every pet tortoise has the same dietary needs. Mediterranean species are strict herbivores that do best on weeds, dandelion, and leafy greens with fruit as a rare extra, while some other tortoise species tolerate a slightly wider diet. If you're not certain which species you keep, it's worth checking, because 'safe in moderation' for one species can still mean a very different amount to another.

Whatever the species, a young, still-growing tortoise generally has even less tolerance for rich or sugary treats than a mature adult, so it's sensible to be more cautious with juveniles.

How to offer it safely

Wash the blackberry and offer a single piece, cut small enough for your tortoise's size, alongside their normal weeds and greens rather than as a separate mini-meal. There's no need to remove the seeds — they're not a hazard for a tortoise the way stones in some other fruits would be.

Avoid any blackberries that have been sprayed, and don't offer fruit that's overripe or starting to ferment, since that can upset a tortoise's digestion in the same way any spoiled food would.

What the everyday diet should look like instead

The bulk of a Mediterranean tortoise's diet should be varied weeds and leafy greens — dandelion, plantain, clover and similar plants — offered fresh daily, with a source of calcium available alongside to support healthy shell and bone growth. This high-fibre, low-sugar foundation is what keeps a tortoise's gut working properly, and it's the piece that matters far more day to day than any occasional treat.

If you're building out a tortoise's diet and aren't sure what counts as a safe everyday green versus an occasional treat like blackberries, it's worth checking a dedicated reptile care guide or asking an exotics-experienced vet, since getting the everyday balance right matters more than any single treat food.

More for your pet

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

Komodo Tortoise Hay Cakes

A dried grass and dandelion hay cake for tortoises

£4.19

Komodo Tortoise Fruit Mix

A fruit-based treat mix for tortoises, made from dandelion, aronia berries, strawberry and redcurrants

£5.29

Komodo Tortoise Food Salad Mix

A complete holistic tortoise diet flavoured to taste like fresh salad

£7.29

Komodo Tortoise Food Cucumber

A complete holistic tortoise diet in cucumber flavour, high in fibre

£7.29

Browse all of Can tortoises eat… →

Common questions

How often can I give my tortoise blackberries?: Once every week or two is a sensible frequency for most Mediterranean tortoise species. Fruit should stay an occasional treat rather than a regular part of the diet, which should be built around weeds and leafy greens.
Can baby or juvenile tortoises eat blackberries?: It's best to be more cautious with young, growing tortoises, offering an even smaller piece less often than you would for an adult, since their digestive systems are still developing.
What other fruits are safe for tortoises in the same way?: Small amounts of strawberry, raspberry and melon are generally treated the same cautious way as blackberries — fine occasionally, not as a regular feature — for the same Mediterranean tortoise species.
My tortoise won't eat their normal greens if I offer fruit — what should I do?: This is common, since fruit is naturally more appealing than fibrous greens. Offer fruit rarely and in a small amount so it doesn't become something your tortoise holds out for instead of eating their main diet.
Can eating too much fruit make a tortoise ill?: Yes — a diet too high in sugar and too low in fibre can disturb a tortoise's gut bacteria and contribute to digestive problems over time, which is why fruit like blackberries should stay occasional rather than routine.

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.