Sunflowers: when can you see them in Tuscany?

The sunflower is surely the most cheerful and sunny plant not only for its physical characteristics and for the colour that we see due to the arrangement of these plants according to a spiral scheme that takes the name of inflorescence. There are many species of origin in North America, introduced in Europe around 1500 certainly with medicinal purposes as well as ornamental then from the middle of the eighteenth century spread all over the world. Much used in painting and everyone will know the painting of "sunflowers" by Vincent Van Gogh and from that moment many painters were inspired...