Most tea producers in Kagoshima talk about their cultivars. Segawa-san talks about the person holding the teapot.
How do they brew? At what temperature? Do they measure the water, or just pour? The questions sound like market research — and in a sense, they are. But they lead somewhere unexpected: to a Kagoshima tea farm in Ei, Minamikyushu City, where every decision in the field begins with the cup in someone else's hands.
Two cultivars, chosen for the drinker
Segawa-san grows several cultivars — Yabukita, Okumidori, Kanayamidori among them. But the two he bottles as single-origin teas are Asatsuyu and Yutakamidori. Only those two.
The reasoning is disarmingly simple. Tea is a drink whose flavor shifts with every variable — water temperature, steeping time, the amount of leaf. A producer may spend months coaxing a precise balance into the raw leaf, but the moment it reaches a kitchen, all of that is at the mercy of how the drinker brews it. Boiling water into a delicate sencha. Thirty seconds too long in the pot. It happens constantly.
So Segawa-san asked a different question. Rather than teaching everyone to brew correctly, what if the tea itself could absorb the rough handling?
"When I survey customers about what kind of tea they like, the answers split pretty cleanly — sweet or astringent. And for those two directions, these cultivars are the ones."
Asatsuyu, sometimes called tennen-gyokuro — natural jade dew — carries a deep umami and a refined, almost floral aroma. Its bitterness is naturally low, which means that even when brewed with water that is too hot, the cup stays gentle. Yutakamidori moves in the other direction: a cultivar built around its astringency, a clean and bracing bite that holds up no matter how you pour.
Asatsuyu and Yutakamidori
The logic behind the pairing becomes clearer when you understand what usually goes wrong with tea. Caffeine and catechins — the compounds responsible for bitterness and astringency — extract far more aggressively at higher temperatures. Brew a sencha at sixty degrees and it is smooth, almost sweet. Brew the same leaves at eighty and the bitterness dominates. Most drinkers do not think about this. They boil the kettle and pour.
Asatsuyu sidesteps the problem. Its bitterness is so subdued that even boiling water cannot make it harsh. Yutakamidori takes the opposite approach — its astringency is the point, so higher temperatures only amplify what the tea was already designed to deliver. Neither cultivar punishes the casual brewer. That is the whole idea.
Two cultivars, two flavor profiles, and very little room for the drinker to go wrong. A producer who builds his lineup not around what wins at competition, but around what survives a real kitchen.
An accidental Eco Farmer
Japan's Eco Farmer certification recognizes growers who reduce their use of chemical fertilizers and pesticides — a commitment to farming that is easier on the land and the people working it. Segawa-san holds the certification. But if you ask him why, the answer is not what you might expect.
"It was about business improvement, honestly. I just felt there was too much waste. Before ichibancha, spray this. Before nibancha, spray that. It was all prescribed. But the cost was enormous, and I started feeling sick from it, physically. I kept thinking — is all of this really necessary?"
Tea production in Japan follows well-established protocols. How to train the branches, which chemicals to apply and when, how to process the leaf after harvest. Generations of accumulated knowledge, refined into standard practice. The system works. It also costs money — and Segawa-san, in his twenties at the time, started wondering where the line was between necessary and habitual.
"I went out with a counter and checked every leaf. How many eggs, how many insect holes. I kept records, ran the numbers. Turned out I could not cut the fertilizer — but the pesticides, those I could reduce."
Years of testing followed. Leaf by leaf, season by season, he mapped the gap between what the textbooks prescribed and what his fields actually needed. The result was a farming practice that used significantly less pesticide without compromising the health of the plants. The Eco Farmer certification, when it came, was almost beside the point — a label that caught up to what he had already been doing for practical reasons.
Walking through his fields, you notice the evidence. A hole dug by a badger at the edge of a row. Insects moving through the undercanopy. The quiet signs of a farm where the chemical load is light enough for other creatures to stay.
Not a typical Kagoshima cup
Kagoshima tea has a reputation. Dense umami, heavy body, a punch that fills the mouth on the first sip. The kind of tea that wins at competitions — concentrated, assertive, meant to be savored in small careful doses.
Segawa-san's tea is none of that. It is lighter. More open. The umami is present but it does not overwhelm — it shares the cup with astringency, with sweetness, with a clean finish that invites another pour rather than demanding a pause.
The difference comes partly from his approach to fertilizer. Heavy chemical feeding pushes amino acid levels higher, producing the thick, syrupy umami Kagoshima is known for. Segawa-san uses less, and the result is a tea that breathes. The flavor has room to move.
His Yutakamidori, in particular, is something we come back to. We have tasted this cultivar from farms across Kagoshima — it is one of the prefecture's most widely planted varieties, an early-season tea with a cereal-like fragrance and a brisk astringency that tightens the finish. Many versions are good. Segawa-san's is the one I remember.
There is a warmth to it, something close to nostalgia — the kind of tea that does not announce itself but settles into the afternoon without asking permission. The astringency is clean, almost refreshing, and the grain-like aroma lingers after the cup is empty. An everyday tea in the truest sense. Not a tea you display. A tea you reach for.
Tea with the drinker in mind
What stays with me about Segawa-san is the inversion. Most producers I have met start with the leaf — its potential, its terroir, the craft required to bring out what the plant has to offer. They think from the field outward. Segawa-san thinks from the kitchen backward. Who is drinking this? How are they brewing it? What do they actually want when they sit down with a cup?
It is not a glamorous philosophy. There is no talk of heritage or legacy, no invocation of generations past. Just a practical conviction that tea, in the end, is only as good as the moment someone drinks it — and that moment is rarely perfect. The water is too hot, the timing is off, the teapot is whatever was in the cupboard.
Segawa-san makes tea for that moment. Tea that meets the drinker where they are, not where a producer wishes they would be. In a craft that often prizes control, his willingness to let go of it — to build forgiveness into the leaf itself — may be the most deliberate choice of all.