Can you beat Plants vs. Zombies 2 with only ONE seed slot?

In this video, I attempt to beat Plants vs. Zombies 2 with only ONE seed slot. This is the first video of a two part series where I will explore the whole game with only one seed slot. Can I beat the game or, if not, how much of the game is possible? In this series, you will find out. Tags pvz 2, pvz2, one seed slot, challenge, with, only, but, plants