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A Guide to Matcha: Japan’s Powdered Green Tea

August 30, 2026 by John Milton

  • Matcha is tencha leaf — shaded for roughly 20–30 days, steamed, dried flat, destemmed — ground to powder on granite mills at only about 40 g per hour. You consume the whole leaf, not an infusion.
  • Ceremonial grade is not an official standard: no Japanese government body or international authority regulates the term, so judge matcha by harvest, origin, color and mill date instead.
  • The two classic preparations are usucha (2 g whisked into 60 ml of 80°C water) and koicha (4 g kneaded into 30 ml), per Kyoto tea house Ippodo — koicha only rewards top-tier powder.
  • At the first tencha auction of 2026 in Kyoto, machine-picked leaf averaged 13,972 yen per kilogram — about 1.7 times the record set in 2025 — so expect high prices and per-order limits to continue.
  • Uji remains the historic pinnacle, but Nishio in Aichi produces roughly a fifth of Japan’s matcha and offers some of the easiest hands-on stone-milling experiences, an hour from Nagoya.

What Matcha Actually Is

Matcha is the only major tea you drink rather than steep. Every other green tea is an infusion — leaves in, leaves out — while matcha is the leaf itself, milled to a powder a few microns fine and suspended in water. That single fact explains most of what makes it distinctive: the saturated color, the full-body texture, the intensity of both flavor and caffeine, and the price. When a bowl costs what it does, you are paying for an agricultural product consumed in its entirety, with nothing held back in a strainer.

Not all green powder qualifies. Proper matcha is ground from tencha, a leaf grown in shade and processed specifically for milling. Powdered sencha or generic green tea powder is a different (and much cheaper) product: unshaded, coarser in flavor, and khaki rather than jade in the bowl. The distinction matters more now than ever, because shortage-era demand has pulled a wave of loosely labeled powders into the market. Where matcha sits among Japan’s other styles — sencha, gyokuro, bancha and their relatives — is mapped in our overview of the types of Japanese green tea; this guide goes deep on the powdered branch of that family.

History and Origins

Whisked powdered tea is older than Japan’s association with it. During China’s Song dynasty, tea was commonly dried, ground and whipped into hot water — a practice woven into Zen monastic life, where it kept monks alert through long meditation. The monk Myoan Eisai studied in Song China and returned to Japan in 1191 carrying tea seeds and the powdered preparation method. Around 1211 he wrote Kissa Yojoki, often called Japan’s first book on tea, framing it squarely as medicine for body and mind.

China eventually moved on to steeped loose leaf, but Japan kept the powder and refined it. Growers around Uji, south of Kyoto, developed the shading techniques that define matcha today, and in the sixteenth century Sen no Rikyu codified the tea gathering — chanoyu — around a shared bowl of thick matcha.

The present chapter is a global one. In fiscal 2025 Japan exported 13,125 tons of green tea, up 42 percent in a single year, with export value more than doubling to 84.7 billion yen — and matcha accounted for roughly 70 percent of that volume, according to reporting by The Japan Times. Farmers are converting sencha fields to tencha to chase the demand.

How Matcha Is Made

Shading: the defining step

Three to four weeks before the spring harvest, growers cover their tencha fields, traditionally with honzu — reed screens layered with straw — and more commonly today with kanreisha black netting. The covers block most of the sunlight reaching the leaf, in top fields more than 90 percent. Starved of light, the plant slows its conversion of L-theanine (the amino acid behind matcha’s sweet-savory depth) into bitter catechins, and pumps the leaves full of chlorophyll. Shading is why good matcha tastes brothy rather than grassy and glows green rather than olive.

From leaf to tencha

The shaded leaves are steamed within hours of picking to halt oxidation, exactly as for sencha — but then the paths diverge. Tencha is never rolled. Instead the leaf is dried flat in a dedicated tencha furnace, then cleaned of stems and veins until only brittle flakes of pure leaf blade remain. Those flakes, fragrant and paper-light, are matcha’s raw material, and they are stored cold and milled through the year as needed, which is why a tin’s milling date matters more than its harvest date.

Stone mills, 40 grams an hour

The finest matcha is still ground on ishi-usu, hand-carved granite mills whose grooved faces shear the leaf rather than crush it. The pace is deliberately glacial — a single mill yields only around 40 g per hour — because faster grinding builds heat that dulls aroma and color. Uji producer Nakamura Tokichi keeps dozens of stone mills turning and explains the trade-offs of stone-milled versus machine-milled matcha plainly: machines (ball mills, jet mills) grind far faster and serve the culinary market well, but the slow stone wheel still produces the finest, most aromatic particle for drinking straight.

Grades and Varieties: Decoding the Labels

Here is the uncomfortable truth the marketing omits: ceremonial grade is not a certification. No Japanese government body, no industry board and no international standard defines the term — it was coined for Western markets, and any company can print it on any tin. Japanese producers themselves rank matcha by harvest, cultivar and blend, with the very best lots entered into competitions rather than labeled ceremonial. Treat grade words as a rough serving suggestion, not a guarantee, and read the facts on the tin instead.

Label you will see What it actually tells you What to check instead
Ceremonial grade Unregulated marketing shorthand for drink-it-straight quality; no official definition exists Harvest (first spring flush), region, vivid jade color, recent mill date
Premium / daily grade Vendor-invented middle tier, equally unregulated Taste notes and price relative to the same seller’s top tier
Culinary / cooking grade Later-harvest, machine-milled powder with assertive bitterness built to survive milk and sugar Fine for lattes and baking; expect olive tones drunk plain
Competition or tencha lot names Producer-level designations (named blends, award lots) — the closest thing to a real grade system Producer’s own tier descriptions and single-cultivar labeling
Green tea powder / matcha blend Often not tencha at all — powdered sencha or mixed origin Ingredient line reading 100 percent Japanese tencha or matcha

Within honest matcha, quality tracks a few concrete signals: spring first-harvest leaf beats later flushes; hand-picked topmost leaves beat machine-cut; longer shading beats shorter; stone-milled beats machine-milled for drinking straight; and electric jade color beats anything drifting toward khaki. Price is the final signal — genuinely fine matcha has a real cost floor, and it has risen.

Usucha and Koicha: The Brewing Guide

Matcha has two classic preparations, and they are not interchangeable. Usucha, the thin style, is the everyday bowl: 2 g of sifted powder to about 60 ml of 80°C water, whisked hard with a bamboo chasen until a fine froth covers the surface. Koicha, the thick style, reverses the proportions — 4 g to roughly 30 ml — and is kneaded slowly into a glossy, paint-thick liquor with no foam at all. Those gram-and-milliliter figures are the published recipes of Kyoto tea house Ippodo, and they are worth following before you improvise.

Koicha is unforgiving: with so little water, any bitterness in the powder concentrates, which is why the thick style is reserved for the best lots a producer offers. In a formal gathering, guests share a single bowl of koicha before lighter individual bowls of usucha — the sequence, the utensils and the etiquette around them are walked through in our guide to the Japanese tea ceremony. For the practical technique — water temperature, sifting, whisk pattern, troubleshooting a froth that will not build — follow our step-by-step guide to how to make matcha at home; it uses the same Ippodo ratios and adds iced and latte variations.

Where Matcha Comes From — and Where to Taste It

Four regions dominate, each with a different personality for the traveler.

Region Role in matcha For visitors
Uji (Kyoto) The historic pinnacle — hillside fields, hand-picking, honzu shading, centuries-old houses Tea-shop tastings and milling demonstrations an easy day trip from Kyoto
Nishio (Aichi) Produces roughly 20 percent of Japan’s matcha on flat, efficient fields Hands-on farm and factory tours with grind-your-own stone-mill sessions, about an hour from Nagoya
Kagoshima (Kyushu) The volume engine — mechanized, netting-shaded fields supplying much of the export boom Large modern estates; fewer traditional experiences
Shizuoka Japan’s biggest tea prefecture overall, expanding into tencha Broad tea tourism with matcha as one thread among many

If you want to see the process with your own eyes, base yourself in Kyoto: our Kyoto and Uji tea travel guide covers the tea towns, museums and shop tastings of matcha’s heartland. Nishio is the under-visited alternative — less polished than Uji, closer to the working reality of the industry, and generous with hands-on experiences where you turn a granite mill yourself. Deeper immersion is possible too: in Wazuka, the tencha-growing village in the Kyoto hills, matcha farm stays let you sleep beside the fields and whisk tea with the people who grew it.

The 2026 Shortage, in Numbers

Matcha’s boom has outrun its supply. Tencha is a small, slow crop — shaded, hand-tended, milled by the gram — and successive heat-damaged springs in Kyoto cut top-grade yields just as global demand surged. The result showed up at auction: at the first tencha market of 2026, held on May 13 at the JA Zen-Noh Kyoto Uji Tea Distribution Center in Joyo City, machine-picked tencha averaged 13,972 yen per kilogram, about 1.7 times the previous record of 8,235 yen set only a year earlier, according to the Global Japanese Tea Association’s May 2026 report. Established Kyoto houses have kept per-order purchase limits in place since late 2024, and lesser-known labels have rushed to fill shelves — not all of them containing what the tin claims.

For a buyer, the practical read is simple: prices will stay elevated, genuine top-grade Uji matcha will remain scarce, and skepticism is warranted anywhere the price looks too good. Kagoshima’s flatter, mechanized fields have weathered the heat better, and excellent matcha at fairer prices increasingly carries a Kyushu origin.

Health, Honestly

Because you ingest the whole leaf, a 2 g bowl of matcha delivers more of everything than a steeped cup: roughly 60–70 mg of caffeine (a mug of drip coffee runs about 95–200 mg), a meaningful dose of L-theanine, and more catechins than an equivalent infusion. The theanine-plus-caffeine pairing is why many drinkers describe the lift as steady rather than jittery. Beyond that, keep your claims modest: green tea compounds have been studied for decades, but the U.S. National Center for Complementary and Integrative Health’s green tea summary concludes that evidence for most specific health benefits in humans remains limited. Drink matcha for its taste and its ritual — and treat any tin promising detox or fat-burning as marketing.

How to Buy and Store Matcha

Buy from producers or established tea houses rather than marketplaces; in a shortage, the gray market is where mislabeled powder concentrates. Read the tin for origin (a named region beats a vague Japanese blend, and single-prefecture labeling is a good sign), harvest (spring first flush), an ingredient line of pure tencha-derived matcha, and — ideally — a recent milling date. Color is your fastest quality check at home: vivid jade signals fresh, well-shaded, well-milled powder, while dull olive means age, poor storage or a lower grade.

Then protect what you paid for. Matcha oxidizes faster than any leaf tea because milling exposes enormous surface area: buy 20–40 g tins rather than value bags, keep the sealed tin refrigerated away from fragrant food, let it return to room temperature before opening so condensation cannot wet the powder, and finish it within about a month of opening. The general rules for keeping tea at its peak — air, light, heat, moisture and odor are the five enemies — are covered in our guide to how to store tea; matcha simply enforces them more ruthlessly than any other style.

Frequently Asked Questions

What exactly is matcha made from?

Matcha is ground tencha: tea leaves shaded for roughly 20–30 days before harvest, steamed to stop oxidation, dried flat without rolling, then stripped of stems and veins. The remaining leaf flakes are milled to a fine powder, traditionally on granite stone mills producing only about 40 g per hour. You whisk and drink the entire leaf.

Is ceremonial grade matcha an official standard?

No — ceremonial grade is an unregulated marketing term coined for Western markets, and no Japanese or international body defines it. Japanese producers rank matcha by harvest, cultivar and named blend instead. Judge a tin by concrete signals: spring first-harvest leaf, a named region, vivid jade color, a recent mill date and an ingredient line of pure matcha.

Why is matcha so expensive in 2026?

Demand has outrun supply. Japan’s green tea exports jumped 42 percent by volume in fiscal 2025, driven overwhelmingly by matcha, while heat-damaged springs cut Kyoto’s top-grade tencha yields. At the first 2026 tencha auction in Kyoto, prices averaged 13,972 yen per kilogram — about 1.7 times the 2025 record — and established houses still limit per-order quantities.

What is the difference between usucha and koicha?

Usucha is thin matcha: about 2 g whisked into 60 ml of 80°C water until frothy, the standard everyday bowl. Koicha is thick matcha: about 4 g kneaded into only 30 ml, producing a glossy, intense liquor with no foam. Koicha concentrates every flaw, so it is prepared only with top-tier powder, and it precedes usucha in a formal gathering.

Where can travelers watch matcha being made?

Uji, an easy day trip south of Kyoto, offers tea-house tastings and stone-mill demonstrations in matcha’s historic heartland. Nishio, about an hour from Nagoya, produces roughly a fifth of Japan’s matcha and runs hands-on farm and factory tours where you grind your own powder. In Wazuka’s tea hills, farm stays put you beside the tencha fields themselves.

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