Is herbal tea caffeine-free?

Most herbal teas — rooibos, chamomile, peppermint, hibiscus, ginger — are naturally 0 mg caffeine. Yerba mate, guayusa, and decaf tea are not. Full list.

By PGP Iyer · July 29, 2026 · 6 min read

Yes — most herbal teas are genuinely caffeine-free, because they're not made from the tea plant at all. Chamomile, peppermint, hibiscus, ginger, rooibos, and honeybush all contain 0 mg of caffeine, and lemongrass belongs in the same caffeine-free category for the same reason: none of them come from the tea plant. The exceptions: yerba mate and guayusa both contain real caffeine despite the “herbal” label, and decaf tea isn't truly 0 mg either.

Which herbal teas are actually caffeine-free?

Every tea on this list is caffeine-free because none of them come from Camellia sinensis, the tea plant — they're herbal infusions (tisanes), not tea in the botanical sense:

• Rooibos — 0 mg. From Aspalathus linearis, a South African legume unrelated to the tea plant. See our full rooibos caffeine breakdown.
• Chamomile — 0 mg. Healthline lists chamomile as “a caffeine-free alternative to black or green tea.”
• Peppermint — 0 mg. Healthline describes peppermint tea as “naturally free of caffeine.”
• Hibiscus — 0 mg. WebMD states plainly: “Hibiscus tea contains no caffeine.”
• Ginger — 0 mg. Per Healthline, ginger tea “doesn't come from the Camellia sinensis plant, which is the source of caffeine in tea.”
• Honeybush — 0 mg. Healthline calls it “a caffeine-free herbal infusion similar to rooibos tea.”
• Lemongrass — An infusion of Cymbopogon, not Camellia sinensis, so none of true tea's caffeine is present.

The pattern holds across all of them: caffeine is a compound the tea plant (and coffee, and cacao) produces. A plant that doesn't make caffeine can't put any into an infusion, no matter how long it steeps.

True tea vs. herbal tea: why the caffeine differs

“Tea,” in the strict botanical sense, only means green, black, white, oolong, pu-erh, and matcha — all processed from the leaves of Camellia sinensis. Everything else sold as “tea” — herbs, flowers, roots, spices, dried fruit — is technically a tisane, and tisanes don't carry any of true tea's caffeine because they were never made from the tea leaf to begin with. See our full breakdown of what a tisane is for the complete true-tea-vs-tisane comparison.

That's also why a blended product's base matters more than its name. A “rooibos chai” built purely on rooibos and spices is caffeine-free; the moment black tea gets added to the blend, it's a true tea again. Our chai caffeine guide covers that exact split for chai specifically.

The distinction also shows up in how the two are brewed. True teas are generally more delicate about steep time and water temperature; oversteep a green tea and it turns bitter fast. Herbal tisanes tend to be more forgiving — most can steep longer, in hotter or even near-boiling water, without the same bitterness risk, since there's no tea leaf to over-extract. That's one reason bagged herbal blends often list a longer suggested steep time on the box than a true tea does.

“Herbal,” “caffeine-free,” and “decaf” aren't the same label

These three terms get used interchangeably, but they describe different things:

• Herbal / tisane means the drink was never made from the tea plant, so it's caffeine-free by default (rooibos, chamomile, peppermint, etc., above).
• Caffeine-free is a claim that should mean the same thing — 0 mg — and on a pure herbal tisane, it does.
• Decaffeinated is different: it means a tea that started out caffeinated (black, green, oolong) went through a process to remove most of its caffeine. “Most” is the operative word. Healthline notes that even decaffeinated tea can retain “trace amounts of caffeine” after processing — it isn't the same as the true 0 mg you get from a plant that never had caffeine in it.

In practice: if you need an absolute 0 mg, reach for an herbal tisane, not a decaf true tea. If a little residual caffeine is fine, decaf works too.

“Herbal” doesn't always mean caffeine-free

Two drinks commonly marketed as herbal teas break the pattern above, because — unlike rooibos or chamomile — the plants they're made from do produce caffeine naturally:

• Yerba mate. Made from the leaves of Ilex paraguariensis, a holly relative. Healthline puts a cup at 80 mg of caffeine — “about the same amount of caffeine as a cup of coffee.” It's an infusion of a non-Camellia-sinensis plant, which is why it gets called “herbal,” but it's very much caffeinated.
• Guayusa. A close botanical relative of yerba mate from the Amazon. Healthline describes it as offering “similar amounts of caffeine as regular coffee,” not a caffeine-free amount.

On the flip side, matcha and green tea are sometimes mistaken for herbal teas because they're green and plant-based — they aren't. Both come from Camellia sinensis, the actual tea plant, and both carry real caffeine. See how much caffeine is in matcha and green tea's caffeine content for the numbers.

The mix-up happens for an understandable reason: yerba mate, guayusa, matcha, and rooibos are all sold in the same grocery-store tea aisle, often in visually similar boxes, so shoppers reasonably assume anything not labeled “black” or “green” is automatically caffeine-free. The only reliable check is the plant, not the aisle or the packaging color: Camellia sinensis and caffeine go together every time; everything else depends on the specific plant, and most — but not all — of those plants make none.

Caffeine-free herbal vs. true tea, compared

Use the calculator above to compare any drink by the cup or across a full day, or check the static reference table below — the herbal/tisane row and every true-tea row match the figures the calculator uses:

Two things stand out. First, the gap between herbal tisanes and every true tea isn't a matter of degree — it's 0 mg versus a real, measurable number, because the plant itself either makes caffeine or it doesn't. Second, yerba mate sits closer to coffee than to any true tea, which is easy to miss if you assume “herbal” automatically means low-caffeine.

What “caffeine-free” actually means on a label

On a pure herbal tisane, “caffeine-free” is a simple botanical fact: the plant was never going to contain caffeine, so there's nothing to remove. On a decaffeinated true tea, the same words describe a very different process — caffeine was present, and most (not all) of it was taken out afterward. If a product's ingredient list includes black, green, oolong, white, pu-erh tea, yerba mate, or guayusa, check whether it says “decaf” or “caffeine-free” specifically, since the two aren't interchangeable on drinks that started out caffeinated.

For the complete true-tea-vs-tisane breakdown, see what is a tisane. For rooibos specifically, see is rooibos caffeine-free. For how chai, matcha, and green tea compare on caffeine, see chai caffeine, matcha caffeine, and green tea caffeine.

This describes published research and general information, not medical or dietary advice.