Brewing a botanical vs brewing tea
Tea brewing is a race against bitterness and botanical brewing is not, because the compounds that make tea sensitive to heat and time are largely absent from a flower or a root. Applying tea’s rules to a botanical under-extracts it; applying a botanical’s rules to tea ruins it.
brewing method
What is being compared
Point by point
| Aspect | Herbal infusion (tisane) | Western brewing (teapot or mug) |
|---|---|---|
| Temperature | At or very near boiling for almost everything. | Between 70 and 100 °C depending on the category, and getting it wrong is the commonest fault. |
| Time | Five to ten minutes, and often longer. | Two to four minutes, once. |
| What limits the steep | Nothing much. Extra time mostly adds body. | Catechins, which extract fast and turn harsh — the whole reason tea timings are short. |
| Covering the vessel | Matters a great deal. Much of what a flower gives is volatile and leaves with the steam. | Helps hold temperature; less critical to the result. |
| Measuring | By weight if possible — dried flowers and leaves are very light, and a spoonful weighs far less than a spoonful of tea. | By weight if possible; leaf density varies several-fold between categories. |
| Second infusion | Rarely worthwhile. Most botanicals give nearly everything in one long steep. | Depends on the leaf and on how long the first steep ran. |
| The commonest error | Two minutes at 80 °C, borrowed from a green tea, which leaves a chamomile infusion thin and pale. | Boiling water on a delicate green tea, which produces bitterness no timing will fix. |
The short answer
The two need opposite instincts, and the instinct most people carry is the tea one. If a herbal infusion has ever tasted like hot water with a hint of something, the fix is more material, hotter water, longer, and a lid.
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