Zairai vs Yabukita
Seed-grown native stock against the clone that displaced it. Zairai is not a cultivar in the sense Yabukita is — it is what Japanese tea gardens were before selection, and the small area still planted with it survives on marginal ground and on the interest of drinkers who noticed what uniformity costs.
What is being compared
Why these get confused
‘Zairai’ is sometimes read as a cultivar name on a label. It means native or in-country stock, and two zairai teas from different farms have no more in common than two seed-grown gardens anywhere else.
Point by point
| Aspect | Zairai | Yabukita |
|---|---|---|
| How it is propagated | From seed, so every bush differs. | From cuttings, so every bush is genetically identical. |
| Root system | Deep taproots, which is much of its drought and frost hardiness. | Shallower fibrous roots typical of cutting-grown plants. |
| Bud timing | Late and uneven, which makes machine harvesting awkward. | Even, which makes machine harvesting practical. |
| Yield | Low. | High, and reliably so. |
| Cup | Variable, often with a wilder and more mineral character than named cultivars. | Balanced and predictable; the standard the industry is calibrated to. |
| Where it survives | Marginal plots, old gardens, and farms that kept it deliberately. | Everywhere, including a large majority of the national planted area. |
| What it costs the farmer | Yield, uniformity and mechanisation. | The variability that some drinkers are now paying for. |
The short answer
Zairai tea is not automatically better and is often merely different, which is the honest thing to say about it. Its value to a drinker is as a control: taste it beside a Yabukita from the same prefecture and the effect of half a century of clonal selection is audible in a single pair of cups.
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