Samidori vs Gokou

The two principal Uji matcha cultivars, and they are usually blended precisely because they do different jobs. Samidori supplies body and Gokou supplies aroma, and a single-cultivar matcha from either is the exception rather than the norm.

cultivar

What is being compared

Point by point

AspectSamidoriGokou
What it contributesA rounded, less aggressive umami and consistent stone-milling behaviour.A pronounced marine, seaweed-like aroma under shade.
Used alonePleasant and slightly anonymous.Divisive. The marine note is strong enough to split drinkers sharply.
In a blendThe body.The aroma.
OriginA Uji cultivar.A Uji cultivar selected from seed.
Under shadingDevelops depth without the marine push.Develops a marine character Yabukita does not.
What a strong marine note meansNot this cultivar dominating.A cultivar characteristic, not a fault of the tea or of the water.

The short answer

If a matcha has tasted strongly of the sea and that was unwelcome, the cause is usually cultivar rather than grade or preparation. Single-cultivar Samidori is the straightforward answer, and blends exist because most people want some of both.

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