Sencha vs kabusecha vs gyokuro
One axis — how long the bushes were covered before picking — running from none to a fortnight to several weeks. It is the single largest lever in Japanese green tea and the one least often named on a label.
What is being compared
Why these get confused
All three are the same plant, the same picking standard and usually the same cultivar. The only variable is a cover over the field, and because that happens weeks before the tea is made it leaves nothing visible in the packet.
Point by point
| Aspect | Sencha | Kabusecha | Gyokuro |
|---|---|---|---|
| How long the field was shaded | Not at all. Full sun until picking. | Roughly one to two weeks under cover. | Several weeks, and progressively darker. |
| What shading does | Nothing to undo — this is the reference case. | Some of the shift, at a fraction of the cost. | The full shift: the leaf keeps more of its savoury character and develops far less of the sharp edge sunlight drives. |
| What that tastes like | Grassy, marine, briskly sweet with a drying finish. | Softer and more savoury than sencha, still recognisably bright. | Thick, sweet, intensely savoury, with almost no drying at all. |
| Brewing temperature it wants | Around 70 °C western, cooler in a kyusu. | Cooler again — roughly 50 to 60 °C in a kyusu. | Coolest of the three, and unusually little water for the leaf. |
| How forgiving it is | Reasonably. Over-steeping shows as astringency you can taste immediately. | More forgiving than sencha, because there is less astringency to pull. | Least forgiving of the cost, most forgiving of the fault: hot water wastes it rather than ruining it. |
| What it costs | The baseline. | Considerably less than gyokuro for a large part of the effect. | The most expensive of the three by a wide margin. |
| Where the label helps | Usually says sencha and nothing else. | Frequently sold simply as sencha, which is where the confusion starts. | Named explicitly, because the name is the selling point. |
The short answer
Kabusecha is the interesting record in this table. It is the tea that answers the question most people are actually asking when they consider gyokuro — what does shading do — for a price close to good sencha, and it is often on the shelf under the sencha label with the shading mentioned in small type or not at all.
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