Aracha: Japan's Crude Tea and the Invisible Step in Every Cup

Most people who drink Japanese tea never encounter the word aracha. It does not appear on packaging. It is not a style you order at a tea shop. But if you want to understand how Japanese tea actually works: why a seicha tonya (製茶問屋, the manufacturing wholesaler who finishes and blends tea for sale) exists, why the same cultivar from the same region can taste so different depending on the producer, why pricing in the industry works the way it does, aracha is where that understanding begins.

This article is not about a tea you will brew. It is about the stage every cup of sencha, gyokuro, and tamaryokucha passes through invisibly before it reaches you.

Aracha (荒茶) is the crude, unfinished form of Japanese green tea produced after the farm-side primary processing of freshly harvested leaves.¹ It is primarily a trade-stage raw material, not the tea consumers typically buy and brew. It is the output of the farm's processing, and the input that the next stage of the industry transforms into the tea you actually drink.

Most Japanese leaf teas, including sencha, gyokuro, and tamaryokucha, pass through an aracha stage. Hojicha is usually roasted from sencha, bancha, or kukicha that has already been finished, not directly from aracha.² The familiar finished product, the even-colored, consistent, aromatic tea in a packet, is the result of a second round of processing that often happens off the farm, at a seicha tonya or chasho (茶商, a tea merchant house), sometimes hundreds of kilometers away. Aracha is the bridge between those two worlds.

The word aracha is often translated as "rough tea," but a better analogy is crude oil. Like crude oil, aracha has real value, can be traded, and contains everything needed to make the final product. But it also contains material that has to be removed, inconsistencies that have to be corrected, and components that have to be blended before it is ready for the consumer. The refining step is not incidental. It is where most of the craft happens.

If you want to understand why Japanese tea tastes different from one producer to the next even when the leaf variety and origin are the same, why the seicha tonya's role is as important as the farmer's, and what the trade in aracha reveals about the economics of Japanese tea, read on.

Aracha is written with two characters. 荒 (ara) means rough, crude, or unrefined. 茶 (cha) means tea. Together they describe a state of the leaf: processed enough to be stable, but not finished.

The ara (荒) character also appears in 荒削り (ara-kezuri), meaning rough-cut timber, referring to the initial shaping in woodworking before the fine work begins. Aracha carries the same implication: the bulk of the material is there, the essential character is set, but the surface has not yet been worked to its final form. The English "rough tea" is not wrong, but it is easily misread as a quality judgement. Aracha is a stage, not a grade. "Crude tea" is the preferred translation at Tealife because crude, in its original sense, describes state rather than worth: crude oil, crude iron, crude rubber.

In the traditional supply chain, many farms primarily produce aracha rather than finished retail tea. After the leaves are picked, whether by hand or machine, they go through a sequence of steps that transforms fresh, moisture-heavy leaf into a stable, storable material, either at the farm's own processing facility or at a shared cooperative factory in the area.¹

For steamed Japanese green teas, the first key step is steaming (蒸し, mushi). The fresh leaves are passed through a steam chamber to stop the activity of the oxidative enzymes that would otherwise cause browning and fermentation.¹ ³ Steaming duration is one major factor shaping the style of the finished tea: asamushi (浅蒸し, light steam, roughly 20 to 50 seconds) produces a brighter, more astringent tea with a cleaner aroma; fukamushi (深蒸し, deep steam, roughly 60 to 120 seconds) produces a softer, more rounded character with finer particles.³ ⁴

After steaming, the leaves go through cooling and then a sequence of rolling and drying steps, progressing from primary rolling to intermediate and final rolling to develop the needle shape characteristic of sencha, and ending with a primary drying stage that reduces moisture to approximately 5 percent.¹ At that level the tea is stable for transport and storage.

The output is aracha: a mixture of needle-shaped leaf fragments, stems, particles of varying sizes, and fine dust.¹ ⁵ The colors are uneven, the stems still present, the particle sizes inconsistent. None of this is a flaw. The farm's job is to process the leaf rapidly and correctly to preserve its intrinsic character. The evenness and presentation come later.

One important note on scope: tencha, the base material for matcha, follows a different route, omitting rolling entirely. Industry and institutional sources use the term tencha aracha (てん茶荒茶) for the crude stage of that route.⁷ ⁸ In consumer-facing language it is simply called tencha before grinding, and unqualified aracha in this article always refers to the sencha-route material.

The aracha travels to a seicha tonya or chasho, Tier 2 in the three-tier structure of the Japanese tea industry, whose role is to transform it into what you buy.

The process is called shiage (仕上げ), finishing. The order of operations varies by factory: two broad approaches exist, 先火方式 (saki-bi hōshiki), firing aracha first before sorting, and 後火方式 (ato-bi hōshiki), sorting by shape and weight first and firing each fraction separately at its optimal temperature.⁶ Regardless of sequence, shiage involves three core operations.

Sorting and sieving (ふるい分け, furui-wake) separates the aracha by particle size and weight. Stems, dust, and oversized fragments are removed, producing multiple fractions from a single batch: primary leaf, finer particles, stem tea (kukicha, 茎茶), and the very fine dust called konacha (粉茶, a finishing byproduct, not a milled product).⁵ ⁶ Each fraction may be sold separately.

Hi-ire (火入れ, firing) reduces moisture further to make the tea shelf-stable and, critically, develops the aroma and taste.⁶ The temperature and duration is one of the most consequential decisions a chashi (茶師, the craftsman inside the seicha tonya or chasho) makes. Too low or too brief and the tea is flat; too high or too long and a roasted character masks the original leaf.

Gougumi (合組み) is the blending of aracha from multiple farms and origins. The chashi assembles batches to hit a target flavor profile, whether a consistent house character or a named grade.⁶ This blending work is why a seicha tonya's role cannot be reduced to simply "the business between the farm and the shop."

Japan has a functioning wholesale market for aracha, and the Shizuoka Tea Market (静岡茶市場) sits at the center of it. Established on April 20, 1956, it is Japan's oldest dedicated aracha market and one of its most historically important.⁹ It began as a 競り売り (seribai, auction) market but changed to 相対取引 (aitai torihiki), face-to-face negotiated trading, in 1958.⁹ In the current system, a market intermediary facilitates deals between sellers, predominantly agricultural cooperatives aggregating lots from member farms, and buyers, predominantly manufacturing wholesalers and beverage manufacturers.⁹ What began as a market for Shizuoka-prefecture aracha alone now trades roughly 40 percent out-of-prefecture lots, reflecting Shizuoka's function as one of Japan's primary 集散地 (shūsanchi), a collection and distribution hub drawing crude tea from producing regions across the country.⁹ Similar markets operate in Kagoshima, Kyoto, Mie, and Fukuoka.

In 2024, for the first time since production records began, Kagoshima Prefecture overtook Shizuoka as Japan's largest aracha producer, with 27,000 tonnes against Shizuoka's 25,800 tonnes.¹⁰ The driver was not sencha but tencha: a surge in global matcha demand prompted rapid construction of new tencha factories in Kagoshima, converting production that would previously have been sencha aracha. Shizuoka remains the dominant hub for sencha aracha specifically, but the headline production number now belongs to Kagoshima.

This market structure has important implications for the industry. A small farm can produce excellent aracha from a single cultivar in a specific valley, sell that lot at market, and return to farming, without needing the scale or capital to run a finishing operation. The seicha tonya handles blending at scale. This division of labor is one of the structural reasons Japanese tea has historically supported very small farm operations alongside large ones.

In practice, many established relationships bypass the open market. A chasho with a long-standing relationship with a particular farm may purchase its entire aracha output directly each year. This kind of arrangement, built on trust and a known flavor match between farm material and house character, is what produces the consistency of a chasho's signature grades across decades.

Aracha is not ready for a consumer. Its moisture is too high for retail shelf stability. Its mixed particle sizes are unsuitable for home brewing: stems brew differently from leaf, and fine dust over-extracts in a normal steep. And a single-farm lot, however excellent, will vary across the season as harvest dates, weather, and field positions differ. The Japan Tea Central Association describes aracha as a 半製品 (han-seihin), a semi-finished product that acquires consumer value only after finishing.¹

The more important answer, though, is about where the craft of Japanese tea actually lives. The image most people carry is of a farm, a farmer, and a landscape. That is not wrong, but it is incomplete. The chashi is also a craftsman, and finishing is also a craft. The hi-ire decision, the blending judgement, the consistency that allows a chasho to produce a sencha like our Eighty Eighth Night Tea with the same character year after year despite variable harvests: this is a body of skill that has taken generations to develop. Aracha makes that visible. It is the point in the chain where the farm's contribution ends and the finishing craftsman's begins.

A small category of aracha is sold directly to consumers, labeled as such, through direct-from-farm producers and sixth industry (六次産業化) operations, farms that integrate processing and retail to sell without passing through a seicha tonya.¹¹ It is a legitimate and interesting product, but an exception. For most of the tea bought and drunk in Japan and internationally, aracha is a stage passed through invisibly on the way to becoming something else.

Because aracha is the raw material stage, the quality ceiling of any finished Japanese tea is set there. No amount of skillful finishing can improve tea whose intrinsic leaf quality is poor. Hi-ire can correct unevenness, but it cannot create umami that was not there. Blending can fill gaps, but it cannot substitute for good source material.

Origin, cultivar, shading practice, and harvest method are all fixed at the aracha stage, before the finishing craftsman ever touches the material. The price difference between hand-harvested, shade-grown aracha from a high-prestige origin and machine-harvested aracha from an industrial flatland farm flows through to the retail price, amplified by finishing costs on top. For anyone trying to understand why premium Japanese tea costs what it costs, aracha is the right place to start.

Is aracha available to buy?

Rarely through standard retail channels, and not through Tealife. Aracha is primarily a trade commodity sold between farms and seicha tonya. Some direct-from-farm producers and sixth industry operations sell it to consumers, labeled as such. If you encounter it, expect a rougher, more variable cup than finished tea, with stems present and higher moisture.

Is shincha the same as aracha?

No. Shincha (新茶, first harvest tea) reaches consumers as a finished product: sorted, fired, and packaged. What makes shincha special is the freshness of the raw leaf and the minimal hi-ire used to preserve its vibrant character. The aracha from that first harvest is part of the shincha supply chain, but the retail product is finished tea.

Does aracha apply to hojicha?

Yes, indirectly. Hojicha is made by roasting finished sencha, bancha, or kukicha at around 200°C. That base material has already passed through the aracha stage and subsequent finishing before roasting begins.²

Why does aracha matter for understanding matcha prices?

The matcha route has its own equivalent: tencha aracha, the unfinished tencha before destemming and grinding. Just as aracha sets the quality ceiling for finished leaf tea, tencha aracha sets the ceiling for what matcha can be. Understanding that there is always an intermediate, unfinished state between the farm and the finished powder explains why premium matcha costs what it costs.

If the chasho does so much, why is the farm's origin still important?

Because aracha sets the ceiling. The chashi's skill is real and significant, but it is applied to source material the farm grew. The best finishing work cannot add character the leaf does not contain. This is why top chasho maintain long-term relationships with specific farms and growing regions: origin determines what is possible; the finishing craftsman determines how much of that potential is realized.

¹ 公益社団法人日本茶業中央会. 「お茶ができるまで」. お茶百科. https://www.ocha.tv/how_tea_is_made/process/

² 公益社団法人日本茶業中央会. 「玄米茶・ほうじ茶・番茶」. お茶百科. https://www.ocha.tv/varieties/nihoncha_varieties/genmaicha/

³ 公益社団法人日本茶業中央会. 「煎茶の製造工程 荒茶工程」. お茶百科. https://www.ocha.tv/how_tea_is_made/process/schedule_ryokucha/

⁴ 市川園. 「荒茶加工」. お茶ミュージアム. https://museum.ichikawaen.co.jp/knowledge/step-aracha.php

⁵ 公益社団法人京都府茶業会議所. 「お茶の種類」. https://ujicha.or.jp/knowledge/kinds/

⁶ 公益社団法人日本茶業中央会. 「煎茶の製造工程 仕上げ加工工程」. お茶百科. https://www.ocha.tv/how_tea_is_made/process/finnish_ryokucha/

⁷ 公益社団法人日本茶業中央会. 「抹茶の製造工程 荒茶工程」. お茶百科. https://www.ocha.tv/how_tea_is_made/process/schedule_maccha/

⁸ 株式会社山政小山園. 「2023 茶園だより『碾茶荒茶の製造』」. 2023年5月6日. https://www.yamamasa-koyamaen.co.jp/enjoy/2023/2023-2/

⁹ 株式会社静岡茶市場. 「特徴・歴史」. https://chaichiba.co.jp/chaitiba/history/

¹⁰ 農林水産省. 「令和6年産茶の摘採面積、生葉収穫量及び荒茶生産量（主産県）」. 令和7年2月18日公表. https://www.maff.go.jp/j/tokei/kekka_gaiyou/sakumotu/sakkyou_kome/kougei/r6/cha/index.html

¹¹ 農林水産省. 「六次産業化・地産地消法について」. https://www.maff.go.jp/j/shokusan/sanki/6jika.html