To unlock The Sunny Lot, you need to collect 2 Bee-B Gones and pay 200000 Coins to reclaim the Lot. Upon reclaiming the land, you need to fight agains the new Gas Can Zombie on the waste land. After winning the battle, you get Twin Sunflower as a new Plant. Currently you cannot reclaim this Lot yet since the new Maps to obtain the second Bee-B Gone is lacking.
Plants vs Zombies Adventures The Sunny Lot – All stats
All the stat of Plants vs Zombies Adventures The Sunny 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 Sunny Lot stats
||The Sunny Lot
||Gas Can Zombie
||Available after getting 2 Bee-B Gones and paying 200000 Coins
For a complete guide on PvZ Adventures Beta, go here.