Late Bloomer

Special
She takes the same amount of time as potato mine to arm, but after she arms, she shoots one boomerang at the same rate as bloomerang.

Origins
based off of the PvZ plant Bloomerang and the term "late bloomer" which means A late bloomer is a person whose talents or capabilities are not visible to others until later than usual. (Wikipedia)

Strategies
It is best to use this in a level with slow zombies or plan-your-defense levels where you have time and you have less sun.