Saffron grown in the region has no equal in quality. What determines the quality of saffron? Why does such a wonderful saffron grow in the village of Zira? The quality of spices primarily depends on climatic conditions. Watering saffron is not necessary, heavy rainfall may affect the quality of the bulb. The plant needs moisture in the fall, from late September to November. Where there is more moisture, saffron begins to bloom in October, and where less is in November. Fertile black soil allows you to get a rich harvest of spices.