Herbal teas-also called tisanes-are a major part of the tea world. There is a trend toward the use of terms like”tisane”(pronounced tea-zahn), “botanical,” or infusion. “Tisanes are caffeine free and can be served hot or cold. Herbal teas have a long history. Where tisanes were drunk for both enjoyment and medicinal purposes. Tisanes are usually catagorized by what part of the plant they come from. Sometimes, tisanes are made from a blend of plant types or from multiple parts of the same plant. Occasionally, tisanes are made from roots, stems, or other plant matter.