From 150 flowers , the farmer can get about 1 g of dry saffron threads . To produce 12 g of dried saffron ( 72 g freshly harvested ) would take about 1 kg of flowers ( 1 lb for 0.2 oz of dried saffron ) . Roughly 150 flowers yield 1 g of dry saffron threads ; to produce 12 g of dried saffron ( 72 g freshly harvested ) , 1 kg of flowers are needed ( 1 lb for 0.2 oz of dried saffron ) .