Zombi 2 -

A feature where you can grow plants to earn "Boosts," making them start a level with their Plant Food effect already activated.

In the game, a "useful feature" often refers to gameplay mechanics or specific plant/zombie interactions that give players an advantage: Zombi 2

A core feature that provides a temporary, high-powered boost to any plant. A feature where you can grow plants to

Found in the Wild West world, these allow players to move plants vertically to react to shifting zombie lanes. Zombi 2