Herbal Power , Supports the cardiovascular system. , , Taste , Tart, tangy and fruity. , , Plant Story , We source some of our favorite hibiscus flower from organic farms in Egypt, where the heat-loving plant flourishes. Our farmers harvest the flowers' red centers-called calyces-for us, and then we blend them with blackberry leaf and lemongrass to create a delightful tea, to enjoy iced or hot.