Common Questions about Oolong Tea
Does Oolong Tea have Caffeine?
Yes. Oolong tea typically contains a moderate amount of caffeine—around 30–50mg per cup. This places it comfortably between green tea and black tea, offering a gentle alert state without the jitteriness of coffee. For a detailed comparison of caffeine levels across all tea types, see our guide: How Much Caffeine is in Tea?
What is the Oolong Tea?
Oolong is a unique category of "semi-oxidised" tea that sits between fresh green tea and bold black tea. Because its oxidation level can range from 10% to 80%, it offers the widest spectrum of flavours in the tea world. To understand how Oolong fits into the wider family of camellia sinensis, explore our complete Loose Leaf Tea Guide.
Is Oolong Tea Good for You?
Yes. It is famously prized for aiding digestion and supporting metabolism, which is why it is often served with heavy meals in China. Beyond the physical perks covered in our Health Benefits of Drinking Tea guide, the complex aroma of Oolong is also known to promote relaxation. For more on using tea to find balance, read Feeling Overwhelmed: The Pursuit of Peace of Mind.
Famous Types of Oolong Tea
Oolong sits between green and black tea, with oxidation carefully controlled to shape aroma. Below are ten essential oolong styles, ranging from light, floral, low-oxidation teas to darker, roasted expressions with deeper sweetness.









What Does Oolong Tea Taste Like?
Oolong has the widest flavour spectrum: lighter oolongs can be floral, creamy, and fresh (orchid, lilac, peach), while darker/roasted oolongs turn toasted, nutty, and mineral (caramel, baked fruit, warm wood).
What is Oolong Tea?
Oolong is a semi-oxidised tea that sits between green and black. The leaves are gently bruised and rolled to create partial oxidation, creating a vast flavour spectrum—from floral and creamy in lighter styles to toasted and roasted in darker "Black Dragon" oolongs.

Oolong Tea at a Glance
If you’ve searched what is oolong tea, this profile explains why oolong sits between green and black tea — partially oxidised, then shaped/rolled to create a wide flavour spectrum.
Oxidation level | Processing | Caffeine | Brewing temperature | Flavour |
|---|---|---|---|---|
Partially oxidised (varies widely by style) | Withered → Bruised/Shaken → Part-oxidised → Fixed → Rolled/Shaped → Dried/Roasted | Medium (~30–50 mg per cup) | 85–95°C (hotter for darker/roasted styles) | Floral/creamy to toasted/woody; layered and aromatic |
How Oolong Tea is Made?
Oolong is made by controlled bruising and partial oxidation. Leaves are shaken/bruised to oxidise the edges, then the maker stops the process with heat at the desired aroma peak. Many are also rolled and/or roasted.