Does nettle tea have caffeine? No. Pure nettle tea is naturally caffeine-free. It is a herbal tisane brewed from the leaves — and sometimes the root — of the stinging nettle plant (Urtica dioica), not from the tea plant Camellia sinensis that gives us green, black and oolong tea. Because caffeine in true tea comes only from that one plant, a nettle infusion carries none of it. The single caveat is a blend or a bottled product that mixes nettle with real tea, which we unpack below.
Does nettle tea have caffeine? The short answer
No. When people ask whether nettle tea is caffeine free, the honest answer for a straight, single-ingredient nettle infusion is a clear zero. Nettle tea is not really "tea" in the botanical sense at all — it is a tisane, an infusion of a plant that is not Camellia sinensis. Only the leaves and buds of the tea plant produce caffeine, so any drink made purely from something else starts at zero and stays there. The nettle tea caffeine content of a pure cup is, for all practical purposes, nothing. If you want the fuller picture of how caffeine-free drinks are defined and where the trace-caffeine grey areas sit, our guide to caffeine-free tea covers the basics, and the explainer on whether tea contains caffeine lays out the true-tea side of the story.
Why nettle tea has no caffeine
The reason comes down to botany. Camellia sinensis is the only common beverage-plant whose leaves are naturally rich in caffeine (coffee gets its caffeine from an entirely different plant, the coffee shrub). Stinging nettle is an unrelated leafy herb, and when you steep dried nettle leaf you are extracting its own compounds — chlorophyll, minerals and a grassy, vegetal character — but there is simply no caffeine molecule in the leaf to extract in the first place. So if you are wondering does stinging nettle tea have caffeine, the answer is the same whether you brew the leaf or the root: none. This is exactly why chamomile, peppermint, rooibos and hibiscus are also caffeine-free — they are herbal infusions rather than leaves of the tea plant. You can read more about that whole family in our overview of what herbal tea is.
Nettle tea vs green and black tea: caffeine at a glance
The figures below are approximate and vary with the leaf, the cut, the steep time and the cup size, so treat them as a rough guide rather than exact numbers.
| Drink | Plant source | Caffeine per cup (approx.) |
|---|---|---|
| Nettle tea (pure) | Stinging nettle (Urtica dioica) | 0 mg — caffeine-free |
| Green tea | Camellia sinensis | ~20–45 mg |
| Black tea | Camellia sinensis | ~40–70 mg |
| Nettle blended with green or black tea | Nettle + Camellia sinensis | Varies — check the label |
The exceptions: when nettle tea can contain caffeine
The one situation where a "nettle tea" does carry caffeine is a blend. Some products marketed as a "nettle green tea" or a wellness mix combine nettle leaf with actual green or black tea, and a bottled or ready-to-drink version may do the same. In those cases the caffeine comes from the added Camellia sinensis, not from the nettle. How much you get depends entirely on how much real tea is in the mix, which is why generalising a number is impossible — the only reliable move is to read the ingredient list. If it names only nettle leaf (or nettle plus other herbs), the nettle leaf tea caffeine level is effectively zero; if you spot "green tea", "black tea" or "tea extract", expect some caffeine and let the label be your guide.
What nettle tea tastes like
Nettle tea is savoury rather than sweet. It brews to a deep green or golden-green colour and tastes earthy, grassy and slightly vegetal — many people compare it to a mild spinach-y broth or the smell of fresh-cut greens. It is smooth and low in bitterness, with none of the tannic astringency you get from a strong black tea. A squeeze of lemon brightens it, and a little honey or a sprig of mint softens the green edge if you find it too herby on its own. Nettle-root infusions tend to taste woodier and more mellow than the leaf.
Why the caffeine-free part matters
Because there is no caffeine, you can enjoy nettle tea at any point in the day, including late in the evening, without it getting in the way of winding down. That makes it a handy option when you want a warm, flavourful drink but have already had your coffee or black tea, or when you are simply cutting back on caffeine. Traditionally people reach for nettle as a mineral-rich, hydrating herbal drink, and many find it a pleasant everyday alternative to caffeinated cups. We will keep it at that rather than making health claims — for what the herb is traditionally valued for, see the guide to nettle leaf tea. Responses vary from person to person, and this is general information, not medical advice.
How to brew nettle tea
Brewing is forgiving. Use dried nettle leaf — loose or in a bag — and pour just-off-boil water over it, then let it steep for several minutes; a longer steep gives a deeper, greener, more robust cup, while a shorter one stays lighter. A rough starting point is a teaspoon or two of dried leaf per cup, adjusted to taste. Don't worry about the "sting": drying and steeping neutralise the tiny hairs that irritate fresh nettle, so dried leaf and the finished infusion are perfectly smooth to drink. Nettle root is tougher and benefits from a longer simmer or steep to draw out its flavour. Strain, then add lemon or honey if you like.
Who should be cautious
Nettle is widely enjoyed, but it is still a potent herb, so a few people should check before drinking it regularly or in strong amounts. If you are pregnant or breastfeeding, or you take medication for blood pressure, a diuretic ("water pill"), a blood thinner, or diabetes medication, it is worth asking your own healthcare provider first, since nettle may interact with how those work. The same goes if you have a known plant allergy or an existing medical condition. Again, individual responses vary and this is not medical advice — a quick conversation with a professional who knows your history is the safest way to decide what is right for you.
The bottom line is simple: a pure cup of nettle tea contains no caffeine, so you can treat it as a genuinely caffeine-free choice from morning to night. The only thing that changes the answer is a blend that hides real tea in the ingredient list — so when in doubt, flip the pack over and read it. Everything else in the cup is just nettle.