How to Speak FlowerA beautifully illustrated guide to the history and symbolism of flowers for every plant lover. Sunflowers are symbols of friendship. Gardenias represent secrets and mystery. Irises say, I trust you. Flowers bring colour and beauty to the everyday world around us, but flowers aren't just pretty: Throughout history, they have been used to express ideas about ourselves and the people we care about. From asters to zinnias, from baby's breath to forget me