Growing saffron crocus at home can be a rewarding experience, giving you the opportunity to grow the world's most valuable ...

Saffron is a pricy spice harvested from a crocus that flowers in the fall. Saffron, the world's most expensive spice, comes ...

That pound could cost you around $1,500. Above: A field of saffron crocus. Photograph by Shellie via Flickr. Or you can buy about 30 bulbs for less than $20, plant them, and grind your own saffron.