Lawn of the Dead[]
2007[]
Zom-Botany[]
September 2008[]
The "Zom-Botany" name ended up being used as the name of a few mini-games.
Bloom & Doom[]
December 2008[]
The "Bloom and Doom" name ended up being used as a name seen in the seed packages during gameplay as well as the name of an in-universe record company behind the song "Zombies On Your Lawn".
Plants vs. Zombies[]
February 2009[]
"Plants vs. Zombies" was officially chosen as the name in early 2009, but the logo was different at the time. However, the name was actually used in a few early builds.
2007?
April 2008