For the similarly named weapon, please see harvester.
Harvest was an event in which crops were gathered from the field, often associated with the season of fall.
In 2268, Goro described the skies of Amerind as having darkened thrice after the harvest. (TOS: "The Paradise Syndrome")
Every year at the end of a particular Bajoran village's harvest, the Dal'Rok made an appearance. (DS9: "The Storyteller")