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Grey Matter Gardens
The tenth map in Plants vs. Zombies Adventures
26 levels ⋅ Unlocked by reclaiming The Bamboo Lot and traveling with 4 friends
Grey Matter Gardens was the tenth map stage of Plants vs. Zombies Adventures. It resembled a giant garden. It introduced the Mall Cop Zombie to the player. After the player completed Level 6, the player unlocked the Bamboom to buy with Gems, and the player was given three free Bambooms. After the player completed Level 26, they obtained the Bee Hive, which was used to unlock The Fitness Lot.
It was called Grey Matter Gardens because the human brain is made of grey matter, closely clustered nerve cells, and the hedge maze located in the middle of the map resembled a brain.