Black tea

Tea taken deliberately through full enzymatic oxidation, giving the dark leaf, amber-to-red liquor and malty or brisk character most Western drinkers think of as simply 'tea'.

80 teas in the catalogue紅茶

What it is

Black tea is the category built by letting oxidation run to completion rather than cutting it short. The withered leaf is rolled or cut to rupture its cells, held in warm humid air until the exposed compounds have browned throughout, and only then fired to stop the process. That single decision reorganises everything: the leaf darkens, the liquor turns coppery, and the fresh vegetal notes of the unoxidised leaf are replaced by malt, stone fruit, cocoa and brisk astringency. It is the world’s dominant category by volume, the base of almost every blend sold in the West, and the only type routinely built to survive milk.

What makes it this category: Full enzymatic oxidation of the rolled or cut leaf, halted only by firing once oxidation is complete.

Defining steps: Oxidation → Rolling and shaping

A note on the name

English 'black tea' is Chinese 紅茶 (hong cha, 'red tea'), named for the colour of the liquor rather than the leaf. The Chinese term 黑茶 ('black tea') refers to what English calls dark tea. The two languages are naming different things, and neither is mistaken.

History

Black tea is the youngest of the classical Chinese categories, developed in the Tongmu valley of the Wuyi mountains some time in the seventeenth century. It existed because green tea did not survive long sea voyages: full oxidation made a leaf that could be shipped to Europe and arrive drinkable. Everything that followed — Assam from the 1830s, Ceylon after its coffee blight in the 1870s, Kenya from 1903 — descends from that one process, and the global tea trade is essentially the history of black tea’s spread.

49 of the 80 teas in this category carry their own history note.

How it is made

Wither to reduce moisture, roll or cut to rupture the leaf cells, oxidise in a warm humid room until the leaf turns coppery, then dry to stop the process. The decisive fork is rolling versus cutting: orthodox manufacture twists the leaf and leaves it largely intact, so extraction is gradual and origin can be tasted; CTC shreds it into granules that give everything at once, which is what teabags and chai need.

What it tastes like

Malt, dried fruit and cocoa are the common ground, over a body that ranges from Darjeeling’s wine-like lightness to Assam’s mouth-coating weight. Astringency is the category’s defining texture and the main reason milk became traditional. Smoke, where present, is almost always a drying decision rather than a property of the leaf.

Across the catalogue: 1 delicate, 57 moderate, 22 bold. Filter this category by taste

Where to start

Chosen for being forgiving rather than impressive — each tolerates an imprecise brew.

English Breakfast
Strong and straightforwardly malty, engineered so that milk and a short steep produce the same cup every morning. Judged as a single origin it is unremarkable; judged as a blend it is a piece of consistent engineering.
How to brew it
Assam
Thick and malty with a firm astringent grip. The second flush is the one worth seeking: it carries a rounder, almost stewed-fruit sweetness under the malt that the first flush has not yet developed.
How to brew it
Ceylon black tea
Brisk and clean, with a citrus lift that survives milk better than most. High-grown lots are bright and almost delicate; low-grown lots are dark, thick and closer in weight to Assam.
How to brew it
Dian Hong
Thick, sweet and low in astringency, with a baked sweet-potato note that is close to unmistakable. Among the friendliest black teas to drink without milk.
How to brew it

Tools

Comparisons

Black tea styles compared — Five black teas that share a processing route and almost nothing else. Anyone who has decided black tea is one flavour has met one of these and generalised from it.
Traditional tea vs flavoured blends — A single-origin tea and a scented blend are bought for different reasons, and judging one by the other’s standards produces bad conclusions in both directions.
Green tea vs black tea — The same plant, taken through opposite decisions about one step. Everything people believe distinguishes them — colour, strength, caffeine, delicacy — follows from whether oxidation was prevented or completed.
CTC vs orthodox black tea — Two manufacturing routes for the same leaf, built for different jobs. Reading them as a quality ranking is the most common error in black tea.
Assam vs Darjeeling — Both are Indian black teas and the resemblance ends there. They are different plants grown in different climates at different altitudes, and the gap between them is wider than between many teas from different countries.
Ceylon vs Assam — The two workhorses of the blending world. Both are strong black teas that take milk, and blenders use them for opposite reasons — one for brightness, the other for weight.
Earl Grey vs English Breakfast — The two most recognised names in Western tea, and neither is a place. Both are recipes rather than origins, which is the single most useful thing to know about them.
Scented vs flavoured tea — Two ways to make tea taste of something else, one of which takes a week and one of which takes a spray nozzle. The difference is visible in the packet if you know what to look for.
Orthodox vs CTC manufacture — The two routes black tea takes after withering, and the decision that determines almost everything about the finished tea. Neither is a quality tier.
Darjeeling first vs second flush — The same bushes on the same slopes, picked eight weeks apart, producing teas that share little beyond a name and a district.
Dark tea vs black tea — In Chinese, black tea means what English calls dark tea, and English black tea is called red tea. The naming collision causes more confusion than any other in the subject.
Nilgiri vs Ceylon — Two South Asian high-grown black teas that blenders use interchangeably. They are close enough that the difference is worth stating precisely.

Guides for this category

What is black tea? — The world’s most-drunk tea category, defined by one decision: letting oxidation run to completion instead of stopping it. Everything else about black tea follows from that.
Tea trade routes — The routes tea travelled shaped the tea itself. Compression, fermentation and heavy oxidation are all, in part, answers to the question of how to move leaf a very long way without it turning to dust.
Tea and global commerce — Tea has been a commodity of consequence for four centuries — implicated in monopolies, wars, revolutions and taxation systems. The commercial history explains a great deal about what is on the shelf today.
Colonial tea history — The tea industries of India, Sri Lanka and East Africa were built under colonial administration, on land and labour arrangements whose consequences are still present. This is part of the history of those teas, not a separate ethical topic.
Choosing your first tea — Named teas rather than categories, chosen by what you already drink. There is no single right first tea, and starting from what you like now works better than starting from what is celebrated.
How tea is processed — Every one of the six categories comes from the same plant, and what separates them is a short sequence of decisions made in the hours and days after picking. Learn the sequence and the categories stop needing to be memorised.
Oxidation explained — Oxidation is the single most important idea in tea and the most consistently misdescribed. It is not fermentation, it is not always bad, and how far it is allowed to go is what the six categories are actually classifying.
Milk in tea, and which teas take it — A question of tannin and body rather than of tradition or correctness. Some teas are built to carry milk and most are actively harmed by it, and the dividing line is fairly clear once you know what to look for.
What you are actually paying for — The price of a tea is made up of things that affect the cup and things that do not, in roughly equal measure. Knowing which is which is the difference between spending well and spending more.
Why black tea tastes malty — Full oxidation rebuilds the leaf’s flavour compounds into larger coloured ones, trading fresh and vegetal character for malt, dried fruit and cocoa — and the leaf variety decides how far that goes.
Tea steeping times explained — Steep time is the variable people reach for first and the one that fixes least. Understanding what it actually controls makes the other variables easier to use.

Journeys through this category

Starting with tea — Someone who drinks tea from bags and wants to know what else there is.
Moving beyond tea bags — Someone comfortable with loose black tea who has never tried the other categories.
Exploring black tea — Someone who drinks black tea daily and wants to know how wide the category is.
Understanding tea families — Someone who has heard there are six kinds of tea and wants to know what actually separates them.
Finding your first loose leaf tea — Someone ready to buy loose leaf and unsure which of the hundreds of names to start with.
Building a home tea setup — Someone who wants to buy equipment in the order that actually improves the cup.
I drink tea bags — Someone whose entire tea experience is a bag in a mug, wondering whether loose leaf is worth the trouble.
I like coffee — A coffee drinker who finds most tea thin and wants something with body and roast.
I want stronger tea — Someone who finds most tea watery and wants something that arrives with force.
Exploring Indian tea — Someone who knows Assam and Darjeeling as words and not as different plants.
Exploring Fujian tea — Someone who wants to see how much one province can do.
Understanding oxidation — Someone who has read that oxidation defines tea categories and cannot taste what it does.
Exploring Yunnan tea — Someone who knows Yunnan for pu-erh and not for anything else it makes.
Learning to taste tea — Someone who can tell they like one tea more than another and cannot say why, and would like to be able to.

Every black tea

Caffeine: Commonly described as the highest-caffeine category. Leaf material, leaf quantity and steep time move the figure far more than oxidation does, and a CTC tea brewed strong and a delicate orthodox leaf brewed lightly are not comparable simply because both are black tea. TeaHQ authors caffeine estimates for only 11 of 261 teas and does not infer them from category, because category predicts caffeine poorly.