Board Thread:Plants vs. Zombies 2: It's About Time/@comment-5052376-20130913184423/@comment-5792287-20131119100016

We actually already know due to leaked info that you tap on the Magnifying Grass to spend sun and it will launch a powerful attack. The beam it would use to attack should be yellow since it uses sun, that's why I said it's unlikely that the Magnifying Grass shot the green beam.