Harvesting saffron in Torbat-e Heydarieh Saffron is a spice derived from the flower of Crocus sativus, commonly known as the “saffron crocus”. The vivid crimson stigmas and styles, called threads, are collected and dried to be used mainly as a seasoning and colouring agent in food. Next Pages: 1 2 3 4 5 6 7 8 9 2018-11-20 spiel