Can Tortoises eat Bluebrries? How Much is Safe?

After seeing tortoises devour a banana at the zoo. Inquiring minds want to know what else tortoises can consume, so I started looking into it. So, I conducted some research on this after-hours when I was at work! It is my opinion that blueberries are safe for tortoises to eat.

There are a lot of questions about tortoises and blueberries.

Fruit-loving species of tortoises can safely feed on blueberries but not the leaves since those contain diuretic and tannin properties could harm your tortoise.

Meditteranean tortoises should be fed blueberries sparingly though or not at all since the high sugar in blueberries can cause health issues when fed in excess.

As earlier stated, the leaves of the blueberry plant are toxic to tortoises due to their diuretic and tannin content. Since blueberries have a high level of sugar, tortoises that eat a lot of them might suffer from health problems if they are fed too many of them.

If you have a pet tortoise or intend to obtain one, you should always try to provide it a food that is comparable to what it would eat in its natural habitat, whether you already have one or not.

Many turtle food pellets are available for tortoises, such as this one from Amazon.

ALSO SEE: Can Tortoises eat Basil Leaves?

See what sorts of food tortoises should and shouldn’t eat by reading on.

You’ll find information about several tortoise species here, including those that consume fruits, in the tables below.

Rainforest Tortoises Preferred Diet
Red-footed tortoises 70% weeds, flowering plants, and other greens
Yellow-footed tortoises [Geochelone denticulata] 30% Fruits and a small amount of animal protein
Burmese Brown Tortoises
Kinixys homeana (Home’s Hingeback tortoise


Hermanns tortoise (Testudo Hermanni)

Grazing Tortoises Preferred diets
African Sulcata Tortoises 70% mixed grass and Hay
Leopard Tortoises 20-30% flowering plants, succulents and weeds.
Indian Tortoises Limit or Avoid: Fruits, vegetables, and salads
Aldabra Tortoises
Mediterranean Tortoises Preferred Diets
Greek Tortoises, Spur Thighed (Testudo Graeca) 100% variety of weeds and flowering plants
Limit or avoid: Fruits, vegetables, and salads
Marginated Tortoise (Testudo Marginata) and the
Russian / Horsefield (Testudo Horsefieldi)
Egyptian Tortoise (Testudo kleinmanni)

Is it Possible to Feed Tortoise Blueberries?

If your tortoises are fruit-eating tortoises, you can safely give them blueberries.

Natural fruits are an important part of tortoises’ nutrition. They have a digestive system that can handle the high sugar content of fruits.

The tortoises of the Mediterranean and grazing tortoises, on the other hand, seldom come across fruits in their native habitat. Even while consuming a few fruits won’t hurt them, their digestive systems aren’t set up to deal with the high sugar content of fruits in their diet.

Providing these tortoises with an excessive amount of fruits might cause health problems and even death in some of the tortoises.

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The inability of grazing and Mediterranean tortoises to digest foods with a lot of sugar can lead to the formation of disease-causing bacteria in their guts.

What Kind of Fruit can Tortoises Eat??

The following fruits may be consumed by fruit-eating tortoises: Grapes, melons, apples, pineapples, and oranges. Berries of all kinds as part of a well-rounded diet.

A tortoise’s diet should include vegetables, hay, such as alfalfa hay, and professionally produced high-quality tortoise pellets, with particular care paid to the amount of fiber in each.

A tortoise’s food must have a high amount of fiber to facilitate digestion and provide energy.

Can Tortoises eat Blueberries

What are the Health Benefits of Blueberries?

The following table provides the nutritional information for 148 grams of blueberries.

Nutrient Value
Protein 1.1 g
Dietary Fiber 3.6 g
Vitamin A 79.9 IU
Vitamin C 14.4 mg
Vitamin K 28.6 mcg
Calcium 8.9 mg
Magnesium 8.9 mg
Phosphorus 17.8 mg
Potassium 114 mg

Nutritional Value of Blueberries for Tortoises

A diet rich in protein is essential for tortoises as well as all other animals. Tortoises, on the other hand, require much less protein in their diet than the majority of other herbivorous and omnivorous species.

Tortoises should consume between 14 percent and 35 percent of their dry matter in terms of protein, with the larger proportion suggested for developing tortoises and tortoises in distress, according to this source.

There is a little amount of protein in blueberries which can be supplemented by other fruits and vegetables such as alfalfa sprout dandelions and clover, all of which are good sources of protein for tortoises.

When tortoises are hibernating, one of their main energy sources comes from proteins. It is therefore critical that they acquire adequate protein in their diet to supply them with a source of energy.

In contrast, if the tortoise does not have access to adequate water, a high protein diet might cause dehydration by increasing the excretion of nitrogenous waste.


A tortoise’s diet has to be high in fiber because it is a herbivore. Tortoises’ intestines digest fiber to form fatty acids, which are then used in the production of energy.

When consumed in excess, fiber can limit caloric intake and so interfere with the absorption of trace minerals necessary to tortoises’ development and reproduction, but fiber also aids in the transit of stomach contents.

Commercially produced tortoise feeds like pellets, according to one source, often include between 4 and 40 percent fiber by dry weight. However, they recommend purchasing pellets with a crude fiber content of roughly 16% or a crude protein content of 18%.

Because of the quick fermentation of carbohydrates, tortoises that consume less than 12 percent of their dry matter in the form of fiber usually exhibit loose stools, bloat, and diarrhea.


Your pet tortoise’s health is at risk if you don’t keep it in good condition. This is true for all types of tortoises, including those that live in pasture or desert environments.

A large portion of the water used by tortoises comes from their diet of high-water-content fruits like blueberries.

Aside from this, watermelons and other high-water-content fruits and vegetables can also be used to quench tortoises.

For tortoises, fresh, clean, and chlorine-free water is a necessity for both drinking and bathing.

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When giving tortoises water, you should always do it in a bowl or dish that they can readily reach without any difficulty.

Tortoises are prone to dehydration because they are unable to acquire water quickly from watering bowls or other sources. You may buy tortoise watering dishes from Amazon that allow them to swim.

The indicators of dehydration in tortoises may also be found in a blog article we wrote.

It is yet to be determined exactly what vitamins pet tortoises require. Due to their relatively recent popularity as pets, tortoises’ dietary needs are continuously being researched.

When tortoises live in the wild, they are able to obtain their daily vitamin intake from the various foods they eat. Tortoises are vulnerable to vitamin deficits in captivity, especially if they are underfed.

For example, a tortoise’s nutritional needs will be unmet if given only fruit and vegetables. However, if tortoises are fed a well-balanced diet that includes a commercially prepared tortoise pellet, they are unlikely to suffer from nutritional inadequacies.

Adding blueberries and other fruits to tortoises’ diets will offer them with the following fruits.

The A-Vitamin

Eyelids enlarge and inflame, wheezing and trouble in breathing, aberrant and poor growth of the horny part of the mouth, poor immunity, limb swelling, and the thickened horny area of the skin are all signs of vitamin A deficiency.

Blueberries, greens, and vegetables are all good sources of vitamin A, which may be used to treat vitamin A deficiency. Tortoises need a lot of vitamins, and fruits and vegetables are excellent sources.

Do not overfeed the Grazing and Mediterranean tortoises, though.

Vitamin K is an essential nutrient.

Bacteria in the tortoise’s digestive system create vitamin K, which is present in blueberries.

Medicines given to a tortoise over an extended period of time may destroy microorganisms responsible for processing vitamin K, resulting in the animal being vitamin K deficient. Extreme bleeding is one of the signs of low vitamin K levels.

Ascorbic acid (Vitamin C)

Vitamin C, which is found in blueberries, is also generated in tortoises by the gastrointestinal system and the kidneys.

When tortoises are fed food items with diuretic qualities like blueberry leaves, they may end up suffering from vitamin C insufficiency, which is quite unusual.


Adding minerals like vitamins to your tortoise’s diet is also a good idea. This includes tortoises that are just beginning to lay eggs or tortoises that have been damaged.

A few exceptions to this rule include blueberries and figs, which are both excellent sources of mineral calcium.

High phosphorus levels have been shown to have a detrimental effect on calcium absorption, therefore you should eat a diet that has more calcium than phosphorus.

It’s best to feed these foods in moderation if their phosphorus content is higher than their calcium content. Providing nutrients in the form of fruit is never a good idea!

Can Tortoises eat Blueberry Leaves

The diuretic characteristics of blueberry leaves might cause tortoises to lose more water from their bodies if they consume them. When given in excess, diuretic characteristics can cause dehydration.

As a result, it is best to avoid giving tortoises blueberry leaves in order to avoid dehydration.

Tortoise blueberry feeding instructions

Whenever possible, choose organically farmed produce, whether it’s blueberries or any other variety of berry.

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It’s difficult to tell whether or not blueberries purchased at the grocery store are organic when feeding them to tortoises.

In order to feed tortoises blueberries, use the following steps:

To begin, carefully wash the items in question.

Blueberries don’t need to be sliced; you may serve them whole.

Combine blueberries with other fruits and berries, such as strawberries.

Remember to throw away any fruit that hasn’t been eaten to avoid becoming sick.

Do Russian Tortoises Eat Blueberries?

It is recommended that tortoises from the Mediterranean region, such as Horsefield and Hermann tortoises, are not fed blueberries since their digestive systems are not suited to the high sugar content of fruits.

Can Sulcata Tortoises Eat Blueberries?

Blueberries can be eaten by fruit-eating tortoises, however, the blueberries’ leaves are toxic to tortoises because they contain tannins and diuretics. Blueberries should only be served to grazing and Mediterranean tortoises in moderation because of their high sugar content.

Can Hermann Tortoises Eat Blueberries?

However, tortoises can be fed a little number of blueberries as an occasional treat. The Hermann tortoise can eat blueberries, isn’t it? To err on the side of caution is always a good idea.

Can Horsefield Tortoises Eat Blueberries?

Yes, but only in tiny doses as a reward for good behavior or as a special treat. Once every three months is about the maximum amount of time I’d advise giving a baby a bottle. Their natural food is weeds, greens, and flowers, therefore this is why they are so thin.

Can Red Footed Tortoises Eat Blueberries?

There should be plenty of dark leafy greens and broad-leaf grazing in the diet. Vegetables and fruits in various forms (including chopped) should also be available. Among their favorite foods are bananas, mangos, and papayas.

Can Baby Sulcata Tortoises Eat Blueberries?

Blueberries can be eaten by fruit-eating tortoises, however, the blueberries’ leaves are toxic to tortoises because they contain tannins and diuretics.

Can Leopard Tortoises Eat Blueberries?

Diarrhea, renal difficulties, and malnutrition are all possible side effects of a diet high in sweets like berries and fruit. In moderation, the tortoise may eat berries and other fruits.

Can Spur Thighed Tortoises Eat Blueberries?

Melon, raspberries, blackberries, and grapes are among the fruits that fruit-eating tortoises will consume. Apple slices in modest amounts can also be served as a sweet dessert treat.

Can Marginated Tortoises Eat Blueberries?

They can consume melon, raspberries, blackberries and grapes from fruit-eating tortoises. Apple slices in modest amounts can also be served as a sweet dessert treat. Eaten mangoes might attract wasps because they are sticky and sweet.


Fruit-eating tortoises can benefit from the vitamins A, C, and K found in blueberries. While blueberries can be offered to other tortoises, they should not be provided to the Grazing or Mediterranean species since their digestive systems aren’t suited to handle the high sugar levels present in fruits like blueberries.

You can guarantee that your tortoises get all the nutrients they need by providing them with a wide selection of food options. High-quality professionally prepared pellets, like those offered on Amazon, are another method to ensure your tortoise receives all of the nutrition it need.

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