Melon Seed

Melon Seed shoots 2 seeds at a time, each dealing the same damage as a pea. It can target the whole screen, but only one row at a time, and it can't shoot behind it. If you tap on it, it will change the row that it is firing in, with out actually moving itself.

Almanac Entry
Melon Seed

Special: Tap to change firing lane.

Melon Seed shoots Melon Seeds. How bizzare is that?

Strategies
Melon Seed is quite useful, as it is like a Cattail or Homing Thistle, except that you can change in which lane it fires. This comes in handy if there is an imp in front, and a gargantuar just behind it, but in another lane. If you have a whole column of Melon Seeds, you can focus all your firepower on one zombie, which can be useful if that zombie happens to be a gargantuar.

Trivia

 * Melon Seed's Almanac entry is a slight reference to Bamboo Shoot's entry in PvZ Garden Warfare.
 * Melon Seed is one of five tap-to-use plants, the others being Cob Cannon, Banana Launcher, Coconut Cannon and Magnifying Grass.