Saffron is the most expensive spice in the world — but did you know you can grow it right in your own backyard? With a little effort and patience, Marin home gardeners can cultivate Crocus sativus, ...
We may earn a commission from links on this page. Crocus is a low-lying flower, grown from bulbs, that usually crops up in early spring. But you’re looking for Crocus Sativus, which will grow and ...