Saffron flower,who gave its name to city and the top quality in the flower of the saffron is grown in Safranbolu, is a rare plant that has the title of world's most expensive spice. Saffron can dye a fluid 100.000(one hundred thousand) times its own weight. It’s used pharmacy, cosmetic, and food industry. For half kilogram saffron, 80 thousand of flowers are need.The usable part of saffron is the seeds of its flower so that it is very difficult to grow. It is as expensive as gold.
It is planted in August-September and it blooms at the end of November and in December. Saffron flowers must be collected fast before sunrise because flowers, which bloom only 1 week during harvest term, wither under sunlight in a day.