Demeter was a goddess of corn, grain, and harvest. She was the daughter of Cronus and Rhea. Demeter made crops grow each year. Demeter made loaf of bread from the harvest. She was the goddess of agriculture
Demeter has a daughter name Persephone. She was abducted by Hades to be his wife in the underworld. Demeter searched for nine days hoping she would find her daughter.
Demeter was sad of the lost of her daughter. Demeter had laid a curse on the world that caused the plants to wither and die and the land become desolate.The earth started to slowly die in the life was in the dark.
Zeus was alarmed for the barren earth sought for Persephone return home. She has not eaten an a while in the underworld Hades has claim on her. Therefore Persephone would spend four months in the underworld . When Persephone is in the underworld Demeter would grieve for her.
In the six months of spring and summer when Persephone walks the earth with her mother and six months fall and winter she would return back to the underworld.
Every Autumn Demeter would cry. The leaves fall and the crops are at an end as her daughter returns willingly as Queen of the Underworld to Hades her husband. Until the Spring when the cycle starts again.