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The Plantern is a plant obtained in the fog area that will illuminate and disperse a large area of fog (5x7), allowing the player to see approaching zombies and their own defense within the cleared radius, like the Torchwood. They can be planted anywhere, but are only used for their real purpose in the Fog and Vasebreaker levels. Technically, like the Grave Buster, the Plantern is not actually a Night plant, because it is not a Mushroom, and therefore it does not need to be placed in the Mushroom Garden to grow.