What Is Lemongrass Tea? Aroma, Stalks, and Brewing

Lemongrass tea is an herbal infusion made from the aromatic stalks or leaves of a tropical grass. It smells distinctly lemony, yet it contains no citrus fruit and brings a softer, greener flavour than squeezing lemon into hot water.

You can brew it from fresh, frozen, or dried lemongrass. The form changes the aroma and preparation, but the important step is exposing enough cut surface for hot water to reach the fragrant oils.

Lemongrass tea at a glance

Plant

Cymbopogon citratus is the species most often sold for kitchen use

Plant family

A true grass, not a citrus relative

Main aroma

Citral, especially its geranial and neral components

Taste

Lemony, grassy, lightly floral, and usually free of tea-like astringency

Caffeine

None in plain lemongrass, though a blend may contain caffeinated tea

Useful forms

Fresh stalk, frozen pieces, dried cut herb, or a prepared teabag

What is lemongrass tea made from?

The kitchen ingredient commonly called lemongrass is usually Cymbopogon citratus, a perennial grass with tightly layered stalk bases and long blade-like leaves. Kew's botanical record for the species places its native range in southern India and Sri Lanka and documents its much wider cultivation in the wet tropics.

That matters because “lemongrass” can describe several related Cymbopogon species. Their aromas overlap, but a packet identified as C. citratus gives you a clearer idea of what was dried and sold.

The tender pale base is easier to slice, while the fibrous green leaves still carry useful aroma for infusion.

Fresh market stalks are often trimmed to the thick lower section because that is convenient for cooking. If you grow the plant or buy whole leaves, the upper green material can also flavour tea once it is cut into manageable lengths.

This is an infusion rather than true tea because it contains no Camellia sinensis. The distinction explains why plain lemongrass has no natural caffeine and why it does not develop the same tannic grip as over-brewed black tea.

Why does it smell like lemon?

The resemblance comes mainly from citral, an aromatic mixture dominated by the molecules geranial and neral. Those compounds also occur in citrus aroma, so your nose recognises a familiar lemon signal even though the plants are unrelated.

Analyses of lemongrass oils and extracts show that geranial and neral are major volatile components, while their proportions vary across samples. Growing conditions, plant part, storage, and extraction all influence the aroma that reaches your cup.

The three ingredients share lemon-like aroma, but they bring different acidity, sweetness, and green notes.

Citral smells bright and lemony without bringing citric acid. That is why lemongrass tea can suggest lemon while tasting much less sour than water flavoured with actual juice.

The grass contributes more than one molecule. Green, floral, and lightly woody notes sit around the citral, especially in fresh leaves, so lemongrass is not simply lemon flavour without acid.

A stale packet may still smell faintly citrus-like but lose those supporting notes. The result is flatter and hay-like, which tells you more about age and storage than about the species.

Do you need to bruise or slice the stalk?

A whole intact stalk exposes very little surface to water. Bruising cracks the fibrous layers, while slicing creates open edges, and either method makes the aroma easier to extract.

Bruising opens the layered stalk without reducing it to pieces that are difficult to strain.

You do not need to pulverise it. Very fine chopping gives you more surface, but it also creates fibres that escape a loose strainer and make the drink awkward to serve.

Prepare a fresh stalk for infusion

1. Trim the dry endRemove only material that looks woody, dirty, or damaged.
2. Peel if neededDiscard a tough outer layer when it is dry or bruised from storage.
3. Bruise the stalkPress firmly with the flat of a knife or a heavy pan.
4. Cut across itMake short pieces that fit your pot and are easy to strain.
5. Smell the cut surfaceA strong lemon-green aroma confirms the stalk still has life.

Long green leaves can be tied into a loose knot or cut with scissors. The knot keeps them easy to lift out, while cutting exposes more edges and produces a stronger infusion.

If you are using a teabag or commercially cut dried herb, this preparation has already been done. Bruising a bag adds little and can release dust into the cup.

Is fresh lemongrass better than dried?

Fresh lemongrass gives you the broadest aroma, with green and floral notes around the lemony centre. Dried lemongrass is lighter, more hay-like, and convenient because it is already cut and keeps far longer.

Neither form wins every use. Fresh stalks suit a cup where lemongrass is the main subject, while dried pieces work well in blends with ginger, mint, or other aromatic herbs.

Freezing preserves a useful middle ground between the brightness of fresh stalks and the convenience of dried pieces.

Freezing softens the plant tissue, so thawed pieces may release aroma quickly even though they look limp. Cut or bruise the stalk before freezing, then take out only what you need.

Choose stalks that feel firm and smell lively at the cut end rather than judging colour alone.

A dried packet should still smell clearly lemony when opened. If it smells mostly of cardboard or old hay, using more material will make a stronger stale infusion rather than restore the missing top notes.

How do you brew lemongrass tea?

Use freshly boiled water and give the plant enough contact time to soften. Lemongrass is more forgiving than delicate green tea, but a very long simmer can push the woody and cooked-grass notes ahead of the aroma.

A practical starting point is one bruised stalk or a modest spoonful of dried pieces for a mug. Stalk size and dried cut vary, so let the first cup teach you whether that particular material needs more or less.

A simple hot infusion

1. Prepare the lemongrassBruise and cut fresh stalks, or measure dried pieces into a roomy infuser.
2. Add hot waterCover the plant completely and put a lid on the vessel.
3. Steep until aromaticBegin tasting after several minutes rather than following one universal clock.
4. Strain cleanlyRemove the fibrous pieces before they cool into the cup.
5. Adjust the next brewChange the plant amount before extending the steep indefinitely.

Covering the pot keeps volatile aroma from leaving with the steam. That small choice often improves the cup more than adding another stalk.

If you want a stronger culinary decoction for mixing, a gentle simmer can work, but it produces a heavier flavour than an ordinary infusion. For a clear everyday cup, steeping off the heat preserves a fresher lemon character.

Strength comes from exposed plant surface and dose. Extra boiling is a poor substitute for cutting the stalk properly, just as leaving a whole woody base intact produces scented water rather than a developed infusion.

What does it pair with?

Lemongrass has enough aroma to lead a simple cup, but its low bitterness makes it an easy partner. The best additions contribute warmth, sweetness, acidity, or cooling herbs without copying the same lemon note.

Ginger tea adds heat and earthy pungency, while peppermint tea makes the finish feel cooler. Honey rounds the edges but can hide a delicate fresh stalk if you add it before tasting.

Chamomile can make the cup feel softer without adding much acidity. Hibiscus does the opposite, bringing tartness and colour that lemongrass alone does not have.

If you blend it with green tea, brew for the tea leaf's needs rather than simmering the mixture. The lemongrass can tolerate cooler water, while the green tea is the ingredient more likely to become bitter.

A splash of unsweetened coconut drink gives body, though the fat mutes the most volatile citrus notes. Use it when you want a rounded flavour rather than the brightest possible aroma.

Can you drink it cold?

Lemongrass works particularly well chilled because it brings aroma without the sourness of citrus juice. Brew it a little stronger than you would for a hot cup, strain it, and cool it before adding ice.

Cooling softens the aroma, so mint or a strip of citrus peel can restore lift without adding much sweetness.

You can also infuse cut lemongrass in cold water in the refrigerator, but extraction is slower and the flavour stays lighter. Treat the result like infused water rather than expecting the depth of a hot brew cooled down.

For a sparkling version, combine a concentrated chilled infusion with sparkling water just before serving. Adding bubbles earlier wastes carbonation and can scatter fibrous pieces if the concentrate was not strained carefully.

Sweeten only after tasting the cold drink. Lower temperature reduces perceived sweetness and aroma, so a syrup level that seemed modest while warm may still become excessive in a large glass.

Does lemongrass tea contain caffeine?

Plain lemongrass is naturally caffeine-free because it is an aromatic grass, not tea leaf, coffee, cacao, guayusa, or yerba mate. That makes the unblended infusion different from a flavoured green or black tea that happens to include lemongrass.

A package can still be caffeinated if lemongrass is one ingredient in a blend. Look for black tea, green tea, mate, or guayusa on the ingredient list rather than relying on the front label.

There is no need to add health claims to make the drink useful. Its value on the table is straightforward: a fragrant, caffeine-free infusion that can be served hot, cold, plain, or as part of a well-chosen blend.

Keep dried lemongrass sealed away from heat and light, and freeze extra fresh stalks before they become woody. When the cut plant still smells vivid, your cup has the best chance of tasting like more than warm, lemon-scented water.