Hops

Source
This item drops from:
 * Rusty Harvest Golem in Westfall
 * Harvest Golem in Westfall
 * Foe Reaper 4000 in Westfall
 * Harvest Watcher in Westfall
 * Harvest Reaper in Westfall

Hops as a quest objective
This item was an objective of (five required). The turn-in is repeatable, for a consumable that provides a buff, so these can be worth harvesting.

Trivia
Real world hops are used in brewing as a flavoring and to hinder microorganisms other than yeast.

Though not to be confused with Brewfest Hops, both are inspired by this same real world item.