Saffron is a spice derived from the flower of the saffron crocus. It is most commonly used as a seasoning and colouring agent in foods. It has a mild, spicy flavour and is often used in both sweet and savoury dishes. Saffron is a natural colourant and has been used since ancient times to dye clothes and textiles. Saffron has also been used in perfume, medicines, and even perfume.