To unlock The Fire Station Lot, you need to collect Sea Salt and pay 15000 Coins to reclaim the Lot. Upon reclaiming the land, you need to fight agains the new Conga Leader and Conga Dancers on the waste land. After winning the battle, you get Magnet Plant as a new Plant.
Plants vs Zombies Adventures The Fire Station Lot – All stats
All the stat of Plants vs Zombies Adventures The Fire Station Lot including new Plant and new Zombies to unlock as well as how to unlock or reclaim the Lot are shown in the table below:
Plants vs Zombies Adventures The Fire Station Lot stats
||The Fire Station Lot
||Conga Leader and Conga Dancer
||Available after collecting Sea Salt and paying 15000 Coins
For a complete guide on PvZ Adventures Beta, go here.