Granny Fields is one of the many inhabitants that can be found in Farm Fortress. She is well-known for being the quest giver of the Farm Fortress Defense Quest, a series of quests that allows the players to be rewarded with the Hook Scythe if they are able to complete all three main objectives of the quest.
As her title implies, she is the grandmother of a family, particularly the grandmother of the Red Farmer, Blue Farmer, and the Yellow Farmer. The last name 'Fields' references the fields of crops that can be found in Farm Fortress itself.
For more information about her dialogues, please look at the Infobox next to this sentence. -->
After completing the Farm Fortress Defense Quest, Granny Fields will show her "grandma-love" side to the players.
The attire she wears references the colors the grandsons wears (red, blue, or yellow), as well as the main colors of the Frontier.