Almost every matcha tin on the shelf says Uji somewhere on it now. Café menus too. It's one of the things we get asked about most, usually by people who've been drinking matcha for a while and have started to wonder if the word means anything or if it's just there to sell tins. Short answer: it means something. It just doesn't always mean what people assume.
Where Uji actually is
Uji is a small city just south of Kyoto, on the Uji River. Tea has been grown in the hills around it for roughly 800 years. The usual story starts with the monk Eisai bringing tea seeds back from China in the late 1100s, and another monk, Myōe, planting some of them near Uji. Even if every detail of that has been polished over the centuries, the area was supplying tea to Kyoto's temples and nobility not long after.
The Ashikaga shoguns had favorite tea gardens there. Later, the Tokugawa shoguns had the new season's Uji tea carried all the way to Edo in sealed jars every year, in a formal procession (ordinary people had to clear the road for it). That's the kind of reputation Uji was working with long before anyone put the name on a label.
How Uji matcha is different
What really set Uji apart was a farming technique. Sometime in the 1500s, growers there started covering their tea fields with reed screens and straw for a few weeks before the spring harvest. Less sunlight means the leaves hold on to more L-theanine, the amino acid behind that brothy, savory sweetness, and build up fewer of the catechins that taste bitter. The leaves also go a deeper green to make up for the shade. This method, called ōishita, is how all good matcha is grown today. It started in Uji.
The place itself helps. Morning fog off the river keeps the bushes from getting scorched, and the hillsides drain well. Growers there also developed cultivars that are still prized for matcha, including Samidori and Asahi, both of which came out of Uji.
You can see the difference before you taste it. Put a first-harvest Uji matcha next to a cheap culinary grade and the Uji powder is a bright, almost glowing jade, while the cheaper one leans olive or yellowish. Whisk it with water around 75°C and a good one tastes mellow and a little sweet, with a long savory finish instead of a sharp grassy bite.
Why you see “Uji” on everything
Here's the part most labels won't tell you. Under Kyoto's own definition, Uji tea doesn't have to be grown in Uji city. Tea grown in Kyoto, Nara, Shiga or Mie prefectures can carry the name as long as it's processed in Kyoto Prefecture by a Kyoto-based business. A lot of it comes from Wazuka, a hilly town southeast of Uji that grows far more tea than Uji itself does these days.
That isn't a scam. Wazuka tea is excellent. But it does mean the name works partly as a regional brand, and brands get stretched. Some sellers outside Japan print “Uji” on matcha with no traceable source at all, or use phrases like “Uji-style” that don't mean anything. The name is everywhere because it earned its reputation, and a reputation like that sells.
And Uji isn't the only place making great matcha. Nishio in Aichi has its own long history with it, and Kagoshima now grows a big share of Japan's tencha (the shaded leaf that gets stone-ground into matcha). A carefully made Kagoshima matcha can easily beat a lazy Uji one.
What to check before you buy
Since the word alone won't tell you much, look at the details around it:
- Harvest. First flush (ichibancha), picked in spring, is what you want for drinking straight.
- Cultivar. A named cultivar like Saemidori or Okumidori usually means the producer cares enough to tell you.
- Color and smell. When you open the tin it should be vivid green and smell faintly Once it's open, treat it like the fresh thing it is. Keep the tin sealed tight in the sweet. If it's dull or smells like hay, it's old or low grade, whatever the label says.
Once it's open, treat it like the fresh thing it is. Keep the tin sealed tight in the fridge and try to finish it within a month or so, because that sweet, savoury edge fades faster than most people expect. And if you ever want to know exactly where one of our matcha's was grown, ask us. We'd much rather you did.