This fairly common black berry makes you sleepy when you eat it. Bitter, but can be used to make black dye.
— In-game Description

The Narcoberry is a berry used in taming most dinosaurs in order to keep them knocked out and to make black dye, spoils in 10 minutes. The Narcoberry can be grown in the Small Crop Plot, Medium Crop Plot, or Large Crop Plot from a Narcoberry Seed. The Narcotic is produced in the Mortar and Pestle with the 5 Narcoberries and 1 Spoiled Meat.

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