Various forms of iris have been grown since the dawn of time. It can be seen on the walls of 4000-year-old Egyptian temples. In the Middle Ages it was used for its medicinal properties as well as its aromatic properties in the case of species with roots which, when ground up, smell like violets. It is the flower of Florence and of Tuscany. In France, in 1147, Louis VII adopted the yellow iris as the emblem of France. The iris spread across the entire northern hemisphere and includes many different species, perennials as well as bulbs. The latter include the blue flag which grows naturally in every region of Québec. Indeed, it is the floral emblem of Québec.