Crocuses are triploids; they have three chromosomes and thus are unable to reproduce sexually. They are all propagated artificially by planting. The plant has been propagated this way since the late Bronze Age. There are other wild species of crocus that are not cultivated for their spice, saffron. 1)
Crocuses were brought to Europe from Asia. The first records of the flower can be found in Crete, where frescos using crocuses have been preserved. They first appeared in continental Europe in the 16th century. There are about 30 species of crocus in cultivation today. 2)
The aroma of saffron described by connoisseurs as reminiscent of a combination of honey and grass or hay. In Middle Eastern and Indian cuisine saffron is used as a spice for rice and sweets. Unfortunately due to its high price it is very difficult to buy saffron without admixtures of turmeric, paprika, or dried and powdered red beets. 3)
From the crocus perianth, after drying, you can make a tea, which has a relaxing and anti-stress effect. 4)
The human eye cannot perceive the different shades of the petals. Under strong UV light, crocuses sparkle with a wealth of patterns designed to attract insects for pollination. 5)