Deep in the heart of the pine, oak, and garrigue covered forests that lie between Mont Ventoux and Les Dentelles de Montmirail, grows a little over 1000 square meters of Crocus sativus. There, around 200,000 flowers are harvested every fall, from which 1000 grams of the most expensive spice in the world is produced. A tube of 0.3 grams of saffron (9 euros).  Photo:  Pamela J. O'Neill   It was the allure of saffron that drove Pamela O’Neill and me to ascend the narrow ...