Apollo met a young girl called Hyacinthus and instantly fell in love with her. What he didn't know was that Zephyr also loved Hyacinthus, and was jealous of him.
One day the three of them were playing discus. Zephyr, not wanting Apollo to have Hyacinthus decided to change the direction of the wind and aim the discus at Apollo. Accidentally, it hit Hyacinthus's head.
Hyacinthus's head bleed out on the grass until she died. The bloodstained grass turned green again and a new flower bloomed.