Kagoshima

Definition:

Kagoshima Prefecture (鹿児島県), at the southern tip of Kyushu island at approximately 31°N latitude — nearly 3 degrees south of Shizuoka — is Japan’s second-largest tea-producing prefecture, using its subtropical climate (warm winters, hot humid summers, active volcano Sakurajima nearby) to produce sencha, kabusecha, and other green teas with a year that typically enables an early shincha first flush several weeks ahead of Shizuoka, and producing teas characterised by rich body, lower bitterness, and bolder flavour compared to the cooler northern regions. Kagoshima accounts for approximately 25–30% of national tea production.


In-Depth Explanation

Climate advantages: Kagoshima’s subtropical latitude means:

  • Earlier harvest: First flush sincha (新茶) often arrives 2–4 weeks before Shizuoka and 4–6 weeks before Uji — giving Kagoshima teas a market advantage in the first-flush premium market
  • Multiple flushes: The warmer climate often enables a productive second and sometimes partial third flush within the year
  • Less risk of frost damage: A persistent issue for northern regions that necessitates costly frost-prevention infrastructure

Climate disadvantages:

  • Greater exposure to typhoons and tropical rain
  • Summer heat and humidity can stress plants, reducing quality of later flushes
  • Higher annual temperatures reduce the cooling-night diurnal variation that concentrates delicate aromatics in northern regions

Main growing areas:

AreaCharacterNotes
KirishimaHigher elevation (400–600m) on volcanic plateauMore complex, higher quality teas
ChiranLowland plains; large-scale mechanisedHigh volume production
MakurazakiCoastal; high volume; CTC black tea also producedJapan’s largest Kabuse growing zone

Cultivar diversity: Kagoshima has been an active breeding ground:

  • Yabukita: Still dominant at ~50–60% of plantings
  • Yuutaka-midori (ゆたかみどり): Kagoshima-bred, suited to the south; distinctive flavour
  • Okumidori: Less astringent; suited to shade-growing; used for kabusecha
  • Asatsuyu: Sometimes called “natural gyokuro” for its high amino acid content even without shading

History

Historical tea cultivation in Kagoshima dates to the 16th century. Modern industrial-scale production expanded dramatically in the Meiji era and accelerated again after WWII reconstruction. Kagoshima’s southern positioning became a strategic production advantage after Shizuoka’s dominant position was somewhat offset by quality competition from better-situated highland growers. In the 2010s, Kagoshima began successfully promoting premium single-cultivar and single-origin teas to international markets alongside its traditional commodity production.


Common Misconceptions

“Kagoshima tea is only commercial grade”: The Kirishima highland area and single-cultivar lines from quality-focused farms produce competitive artisan-grade tea.

“Southern = lower quality in Japanese tea”: The latitude creates genuine differences in character (bolder body vs. northern delicacy), not a universal quality hierarchy.


Related Terms

See Also

Research

Kagoshima cultivar performance:

Kato, M., et al. (2016). “Comparative study of Camellia sinensis cultivar flavour profiles in Kagoshima Prefecture: yuutaka-midori, yabukita, and asatsuyu.” Tea Science Communications, 28(1), 56–63.

Production statistics:

MAFF. (2023). Agricultural Statistics Report: Tea. Ministry of Agriculture, Forestry and Fisheries, Japan. Annual production by prefecture.