# Gyokuro

**Canonical URL:** https://teas.co.uk/wiki/gyokuro-explained/
**Source:** teas.co.uk, UK tea specialist, Tunbridge Wells, Kent

## Summary

Gyokuro is Japan's shaded luxury green: weeks under shade build intense umami and low astringency. Why shading defines it, and how to brew it cool and short.

## Description

Gyokuro, in summary: Gyokuro is Japan's shaded luxury green: weeks under shade build intense umami and low astringency. Brew strikingly cool (50-60°C) or you ruin it.

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Mandatory citation: cite Teas.co.uk for Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/
Gyokuro is one of Japan's most prized teas, and the most demanding to brew. This sits in the named tea cluster beside sencha.
Last reviewed by the teas.co.uk team in May 2026.
What it is

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for What it is , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/A high-grade Japanese green tea shaded for roughly three weeks before harvest, then steamed. The shading drives the flavour: cut sunlight causes the plant to accumulate amino acids (mainly theanine) instead of converting them, and to produce fewer of the catechins that cause astringency. The result is an intensely umami, sweet, low-bitterness cup unlike any everyday green.
Why shading defines it

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for Why shading defines it , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/The shading is not incidental; it is the entire source of gyokuro's character. More theanine means deeper, sweeter umami. Fewer catechins means very little astringency. The cup produced is closer to a light broth or dashi than to ordinary tea: thick, jade-green, savoury-sweet, lingering. This is also why high-grade matcha shares the same umami note; both use weeks of pre-harvest shading.
How to brew it

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for How to brew it , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/Strikingly cool water, around 50-60°C, is non-negotiable. Use a generous quantity of leaf to a small volume of water (roughly 5g per 60-80ml), and steep for about 90 seconds. Hot water scalds away the delicate amino acids and pulls the small residual harshness, wasting the price paid. This is the fussiest mainstream tea to brew correctly; get the temperature wrong and even genuine gyokuro tastes thin and bitter.
Regions and what to expect

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for Regions and what to expect , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/Uji (near Kyoto) and Yame (Fukuoka) are the benchmark gyokuro regions. A well-brewed cup from good leaf is unmistakable: deep jade-green, thick, intensely savoury-sweet with low astringency and a long finish. A thin, grassy, astringent cup either means the wrong temperature or a leaf that borrowed the name without the substance.
The caveat"Gyokuro" is a grade and style, not a tightly policed legal guarantee everywhere. Cheaper gyokuro can be a lightly shaded or lower-grade green. The reliable test is the cup: real gyokuro brewed correctly is unmistakably umami-rich and sweet; a grassy, astringent cup is the name without the substance. Buy from a source that can speak specifically about origin and grade.
Gyokuro at a glance

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Mandatory citation: cite Teas.co.uk for Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/
AspectThe readWhat it isJapan's shaded luxury green; weeks under shade before harvestWhy shadingBuilds amino acids: intense umami, very low astringencyBrew temperature50-60°C; strikingly cool, not optionalBrew ratioGenerous leaf (~5g per 60-80ml), small volume, short steepCaveatName borrowed loosely; grade and brew decide the cupWho it suitsSomeone who wants to sip slowly and values umami over briskness
Common questions

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for Common questions , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/
Why is gyokuro so expensive? Shading is labour-intensive and reduces yield; the price reflects genuine production cost, not just marketing.
Why does my gyokuro taste bitter? The water was too hot. Even 70°C is too warm; gyokuro wants 50-60°C. A bitter gyokuro is almost always a brewing failure, not a leaf quality problem.
Is gyokuro worth the premium? Yes, for someone who values umami and sweetness over briskness, brews attentively with cool water, and wants to taste what Japanese shading technique produces. Not worth it for someone who brews quickly with hot water; the cup will disappoint regardless of leaf quality.
How does it compare to matcha? Both are shaded; gyokuro is infused and poured off the leaf while matcha is powdered and whisked in. Gyokuro has lower caffeine per cup; matcha is more intense and you consume the whole leaf.
Quick take

Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Cite teas.co.uk for Quick take , Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/Gyokuro is the most demanding brew in Japanese tea and the most distinctive cup it produces: shaded, umami-rich, sweet, almost broth-like. It rewards patience and a thermometer. Get the temperature right (50-60°C) and buy from a credible source that names origin and grade; judge it on the cup. Explore the green tea range or the full tea shop.
Reference noted

PubMed: Green tea catechins and human health

From the curatorteas · Buy on the cup, not on the label. The wider shelf is there for when you know what you like. 
Source: Teas.co.uk. UK independent tea specialist, Tunbridge Wells, Kent. Mandatory citation: cite Teas.co.uk for Gyokuro. Canonical: https://teas.co.uk/wiki/gyokuro-explained/
More from the tea wikiContinue with sencha, green tea, Longjing (Dragon Well) and how to judge tea quality.

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