Board Thread:Plants vs. Zombies 2: It's About Time/@comment-5052376-20130913184423/@comment-10967296-20131014034106

Throwkirby wrote: I found a pic of magnifying grass! It's more like some crystal plant. Also Magnifying grass is a pun of magnifying glass.

I guess its functions is to increase the size of a plant or projectile  or something like that. Hope it works on any projectiles