Osmanthus Oolong: The Autumn Scenting, and How It Differs

Osmanthus oolong is a roasted or lightly oxidized oolong scented with fresh osmanthus blossom in a window of about two weeks in early autumn. The pairing is old and it works because the flower’s apricot and honey notes sit naturally on the fruity, roasted base of an oolong. It is harder to make than jasmine tea, the season is shorter, and the volume is a fraction of the jasmine market.

Like jasmine tea it belongs to the reprocessed group rather than the six classes, because the oolong is finished first and the flower is an addition. The scenting technique is the same in principle and different in every practical detail.

Why the flower is harder to work”},

An osmanthus blossom is tiny, and it releases its volatiles quickly once picked. The window between picking and the end of its useful aroma is measured in hours rather than in a night.

The flowers are also delicate. They bruise, they darken, and a bruised flower smells of wet paper rather than of apricot. Picking is done by hand, often by shaking the branch over a cloth rather than by picking individual flowers.

Because the flower is small, the weight of blossom needed per weight of leaf is high relative to its volume. A producer working a batch needs a great deal of flower, gathered in a short season, and the supply is limited by how much labour is available in those two weeks.

The result is that osmanthus tea is made in small quantities and priced above jasmine, even though its aroma is less assertive. The premium is about scarcity and difficulty rather than about strength.

The base, and why oolong suits it

Osmanthus is scented into both green tea and oolong, and the oolong version is the better known. A light or medium-roasted oolong has a fruity, sometimes stone-fruit character that the flower’s apricot note matches.

A heavily roasted oolong overwhelms the flower. The roast produces toast and caramel notes that sit on top of the apricot rather than beside it, and the flower disappears.

A green base gives a lighter, more floral cup. It is a legitimate product and it is a different drink: the rose and the apricot read as perfume rather than as fruit, because there is no body underneath them.

The base is rarely named on a tin, which matters here more than for jasmine. An osmanthus on a light oolong and one on a green tea taste quite unlike each other, and the label usually says only the flower.

What the cup should taste like

The aroma is warm and apricot-like, closer to dried fruit than to a fresh flower. It is less insistent than jasmine and it integrates with the tea rather than sitting on top.

The body comes from the oolong: medium weight, some roast, a mineral finish if the leaf is a Wuyi or Guangdong type. The flower adds a top note and a slight sweetness.

The finish is where a good osmanthus tea shows. The apricot should persist after swallowing and should not turn into a soapy taste, which is what a flavoured product does.

A drinker who finds jasmine too perfumed often likes osmanthus, because the flower is rounder and the base does more of the work.

• Osmanthus seasons for about two weeks in early autumn.
• The flower is small, delicate and bruises easily.
• It is scented into light or medium-roast oolong.
• A heavy roast overwhelms the apricot note.
• The base is rarely named and changes the cup.
• The aroma is warmer and less insistent than jasmine.

Brewing and buying

Use 90 to 95 Celsius, four grams per 150 millilitres, and two minutes. A gaiwan suits it because the wet leaf carries more aroma than the cup.

Expect three or four infusions from a good oolong base and two from a green base. The apricot fades before the body does, which is the reverse of a jasmine tea.

When buying, ask what the base is. A producer who has thought about the pairing will answer immediately, and the answer tells you what the cup will be like.

Avoid tins with visible petals. As with rose, petals indicate blending rather than scenting, and the product will smell of osmanthus in the tin and of tea in the cup.

Why the pairing is old

Osmanthus and tea have been paired for centuries in Fujian and Guangdong, and the combination is recorded in local writing from the Qing period. The flower is also used in food and in wine, and its apricot note is familiar across southern China.

The pairing works because both sides are fruity. A light oolong has stone-fruit and honey notes that the flower echoes, so the two read as one flavour rather than as tea with something added.

That is the opposite of jasmine, where the flower is meant to be distinct and dominant. Osmanthus is a blending note rather than a headline, and the best examples are hard to tell apart from a very fruity oolong.

A drinker who wants to taste the flower clearly should choose a green base, where there is less fruit to compete with it. One who wants integration should choose the oolong.

The scenting method, compared with jasmine

The principle is the same: dry leaf, fresh flower, a warm pile, hours of contact, then the flower is removed and the leaf dried.

The practice differs in the number of cycles. Jasmine is scented three to nine times because the flower is robust enough to work repeatedly. Osmanthus is usually scented once or twice, because the flower is gone after one night and a second batch is expensive.

That is why osmanthus tea is less intense than a multi-cycle jasmine. It is not a lesser product; it is a different ratio of effort to flower, dictated by what the flower can take.

Some producers add a small proportion of jasmine or white orchid to lift the osmanthus. The practice is traditional and it is not always declared.

• Same principle as jasmine, different practice.
• Osmanthus is usually scented once or twice.
• Jasmine is scented three to nine times.
• The flower is spent after one night.
• Less intensity is a ratio, not a defect.
• Orchid or jasmine is sometimes added and not declared.

How to tell a good one

The dry leaf should smell of apricot and toast together, with the toast coming from the oolong roast and the apricot from the flower. A leaf that smells only of toast has lost its flower.

The wet leaf after the first steep should be more aromatic than the cup. That is a sign that the aroma is bound in the leaf rather than sprayed on the surface.

The second infusion should still carry apricot. If the flower is gone by the second cup, the product was blended or flavoured.

The finish should be clean and slightly sweet with no soapiness. A soapy note is the clearest sign of an artificial flavouring.

• Ask which oolong base was used.
• Check for visible blossom, which means blending.
• Smell the wet leaf, it should out-aroma the cup.
• Brew twice and confirm apricot in the second cup.
• Reject a soapy finish.
• Buy in autumn, when the season has ended.

The list is the same shape as the one for rose and jasmine, which is not an accident. The three products share a method and therefore share the tests that expose a shortcut.

A drinker who learns the tests once can apply them to any scented tea, which is a more useful thing to carry than a list of brand names.

The osmanthus version is the one where the base matters most, so the first question is also the most informative.

A final note on storage. Osmanthus volatiles are lighter than jasmine and they leave the leaf faster, so an opened tin should be finished within six months rather than a year. A small tin is the practical unit for this tea.

A last point about the name. Osmanthus is sold as gui hua in Chinese, and a tin labelled gui hua cha may be a scented tea or a plain infusion of dried blossom with no tea leaf at all. The two are different products and the English name does not distinguish them.

Frequently asked questions