Satsuma mandarin
Citrus unshiu, family Rutaceae
In its own language: 温州蜜柑
A sweet, easy-peeling citrus fruit grown in Japan, China, and beyond
Satsuma mandarin (Citrus unshiu) is a small, mostly seedless citrus fruit known for its loose skin and sweet taste. Originally linked to China and Japan, it is now grown in many countries and enjoyed fresh or in desserts. Its rind peels easily, and the fruit is cold-hardy compared to other citrus.
- Satsuma mandarins are mostly seedless and very easy to peel.
- The fruit is cold-hardy, surviving temperatures as low as −9 °C.
- Widely grown in Japan, China, and exported worldwide.
- The peel is used in Chinese traditional medicine.
- Several US towns are named after the satsuma.
What does Satsuma mandarin look like?
The satsuma mandarin is a small citrus tree that produces medium to small, round or slightly flattened fruits. The fruit has a loose, leathery skin that is easy to peel, often smooth or slightly rough. Its flesh is sweet, juicy, and usually seedless, divided into 10 to 12 segments with tough membranes. The skin color ranges from green (in humid climates) to a bright reddish orange (in cooler areas). The tree itself rarely has thorns and is known for its cold tolerance.
Where does Satsuma mandarin come from?
Citrus unshiu has origins linked to both China and Japan. The name comes from Wenzhou in China, a region with a long history of citrus cultivation, but it was also developed and named in Japan. Genetic studies suggest it is a hybrid between mandarin and pomelo ancestors, with further development in Japan through natural mutations. The fruit was introduced to Japan from China, then spread widely through Japanese agriculture and later to other countries.
When and how Satsuma mandarin blooms
Satsuma mandarins grow on trees that can survive brief cold spells down to −9 °C. They are grown from seed, which takes about eight years to fruit, or more often by grafting onto other citrus rootstocks. The fruit matures in winter, and the skin becomes easier to peel as it ripens. The color of the rind depends on the climate, turning orange in cooler weather. Trees are cultivated in orchards in Japan, China, and other regions with suitable climates.
How Satsuma mandarin is used
People eat satsuma mandarins fresh, use them in desserts, and make confections. In China, the peel is also used in traditional medicine. The fruit is popular in Japan, especially in winter, and is associated with home life and the use of the kotatsu, a heated table. It is also grown and enjoyed in many other countries, and has become a symbol of winter fruit in Japan.
Kinds of Satsuma mandarin
Several cultivars of Citrus unshiu are grown, especially in Japan, where miyagawa wase, okitsu wase, and aoshima unshu are the most common. There are also hybrids with other citrus species, such as kiyomi and dekopon. Some related mandarins like kishu mikan and komikan are considered possible non-hybrids.
What Satsuma mandarin means
In Japan, the satsuma mandarin is closely tied to winter traditions and is often eaten while sitting around the kotatsu. The fruit has given its name to places in the United States, such as Satsuma, Alabama and Satsuma, Florida, reflecting its cultural impact. In China, its peel is valued in traditional medicine. The fruit is also recognized for its cold-hardiness and ease of peeling.
Where Satsuma mandarin is used and seen
Essential oilFragrant plant oils used for scent, flavour, and traditional remedies
Hanbury botanical gardensA historic Mediterranean botanical garden on the Italian Riviera
Jardin botanique exotique de MentonA Mediterranean garden in Menton with rare and exotic plants from around the world
Mehtab BaghA Mughal riverside garden facing the Taj Mahal in Agra
Lincoln Park ConservatoryA Victorian glasshouse and gardens in Chicago's Lincoln Park
Gardens of the WorldA 4.5-acre botanical garden with themed gardens in Thousand Oaks, California
Jardin des plantes de NantesA historic botanical garden in the heart of Nantes, FranceQuestions people ask about Satsuma mandarin
Where does the satsuma mandarin come from?
Its origins are linked to both China and Japan. Genetic studies suggest it is a hybrid with roots in Chinese mandarins and pomelo, later developed and named in Japan. It spread from these regions to many parts of the world.
What does the satsuma mandarin look and taste like?
It is a small, round or slightly flattened citrus fruit with a loose, leathery skin that peels easily. The flesh is sweet, juicy, and usually seedless, divided into 10 to 12 segments.
How is the satsuma mandarin used?
It is eaten fresh, used in desserts and confections, and its peel is used in Chinese traditional medicine. In Japan, it is a popular winter fruit associated with home life.
Why is the satsuma mandarin popular?
It is valued for its sweet taste, ease of peeling, and seedlessness. Its cold-hardiness allows it to be grown in cooler climates compared to most other citrus fruits.
Are there different varieties of satsuma mandarin?
Yes, many cultivars exist, especially in Japan, such as miyagawa wase and aoshima unshu. There are also hybrids with other citrus species.
Good reading and sources
- Plants of the World OnlineRoyal Botanic Gardens, Kew, Plant database
- Where it has been recordedGBIF, Plant database
- Sightings and photos by naturalistsiNaturalist, Plant database
- Citrus unshiu on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Citrus unshiu", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Phool rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. It is not medical or foraging advice: many flowers are poisonous, and traditional uses are reported, not recommended. If something is wrong, tell us. Last refreshed 2026-10-03.
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