The beautiful saffron crocus produces large veined purple flowers each with fiery orange red stigmas that provide a lovely contrast with the delicate petals of its blooms from this amazing little plant comes the highly treasured spice saffron saffron is the most expensive spice in the world and comes from the dried stigmas of the flowers now you can grow your very own to add sumptuous flavour to mashed potatoes paella and fish pie plant your bulbs in drifts in well drained soil la