These delicate saffron threads are famous for their vibrantly golden hue. Shipped as whole saffron strands, for grinding by hand before use. How much saffron is produced by each flower? The numbers are dizzying: it takes over 4,600 flowers (14,000 stigmas) to produce just one ounce of saffron. Saffron will only successfully grow in extreme climates with a dry, hot summer and cold winter. 0.5 grams.