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July 26, 2026Sources cited
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Grapefruit

Grapefruit is a subtropical citrus fruit and tree, scientifically known as *Citrus × paradisi*.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Grapefruit is a subtropical citrus fruit and tree, scientifically known as *Citrus × paradisi*. The fruit is typically larger than an orange, with a thick rind and segmented interior that may be white, pink, or red in colour. Its flavour ranges from sour to semi-sweet and is often described as bitter.

Description

Grapefruit is a large citrus fruit with a thick rind and segmented flesh. The fruit is usually yellow-orange on the outside, while the interior can range from pale yellow to deep red depending on the variety.

Origin and naming

The grapefruit is widely considered a hybrid of pomelo and sweet orange. Its early history is often placed in the Caribbean, particularly Barbados and the West Indies. The common name 'grapefruit' comes from the way the fruit grows in clusters that resemble grapes.

Nutrition

Grapefruit is known for being low in calories and rich in vitamin C, with additional fibre and other nutrients. It also provides vitamin A, folate, potassium, and plant compounds such as flavonoids and lycopene in some varieties.

Cultivation and uses

Grapefruit trees grow best in subtropical climates. Major producing regions include Florida, Texas, Arizona, California, and parts of Asia. The fruit is commonly eaten fresh but is also used in salads, yogurt, and other dishes.

Canada

Grapefruit is widely available in Canadian grocery stores as an imported citrus fruit. Canadian readers may also encounter medication warnings because grapefruit can interact with some prescription drugs.

Key facts

  • Grapefruit is a hybrid of pomelo and sweet orange.
  • It has white, pink, or red segmented flesh with a sour to semi-sweet flavour.
  • It is a good source of vitamin C and fibre.
  • The name comes from the fruit growing in clusters like grapes.
  • It is cultivated in subtropical climates, including the United States and China.
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Canadian context

Grapefruit is widely available in Canadian grocery stores as an imported citrus fruit, and Canadian readers may also encounter medication warnings because grapefruit can interact with some prescription drugs.

Frequently asked questions

What is grapefruit?
Grapefruit is a subtropical citrus fruit and tree, scientifically classified as *Citrus × paradisi*.
What does grapefruit taste like?
Its flavour is typically sour to semi-sweet, with a distinct bitter edge in many varieties.
What are the main colours of grapefruit flesh?
Common flesh colours include white, pink, and red.
Is grapefruit a hybrid fruit?
Yes. It is generally described as a hybrid of pomelo and sweet orange.
Why is it called grapefruit?
The name comes from the fruit growing in clusters that resemble grapes.
Is grapefruit nutritious?
Yes. It is especially known for vitamin C and also contains fibre and other nutrients.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Grapefruit
    Supports: Scientific name, description, size, flesh colours, and general fruit characteristics
  2. USDA SNAP-Ed Connectionhttps://snaped.fns.usda.gov/resources/nutrition-education-materials/seasonal-produce-guide/grapefruit
    Supports: Hybrid status, flesh colours, storage and common uses
  3. Florida Citrushttps://www.floridacitrus.org/health-nutrition/grapefruit/nutrition-facts/
    Supports: Vitamin C content and general nutrition claims
  4. American Heart Associationhttps://www.heart.org/en/news/2020/01/17/before-grabbing-a-grapefruit-understand-its-power
    Supports: Calories, vitamin C, and phytochemicals
  5. Britannica Kidshttps://kids.britannica.com/kids/article/grapefruit/353203
    Supports: Name origin, scientific name, and production regions
  6. Johns Hopkins Medicinehttps://www.hopkinsmedicine.org/health/wellness-and-prevention/grapefruit-benefits
    Supports: Origin in Barbados and parentage as a cross between orange and pomelo