When was the orange blossom discovered?

The orange blossom, associated with the sweet orange tree (Citrus sinensis), was first cultivated in Southeast Asia, likely in Southern China or India, around 2500 years ago. However, its introduction to the Mediterranean region and subsequent popularization occurred during the Islamic Golden Age, particularly around the 10th century. The sweet orange and its blossoms gained prominence in Europe by the 15th century, particularly in Spain and Italy.