Chompmore

Chompmore is a plant in Plants vs. Zombies 2. When planted, it will act like a defensive plant. Once its stone coating is eaten, it will crack open, causing an explosion in a 3x3 area, which does Heavy damage. After that, a Three-Headed Chomper will be summoned.

The Three-Headed Chomper is similar to a regular Chomper, but chews 1.5x faster and can eat three zombies rather than one. It can also eat zombies that are a lane above or below it. The Three-Headed Chomper has an Elevated toughness.

Almanac entry
Chompmore is the only remaining Three-Headed Chomper. The others didn't get petrified in time.

Plant Food ability
It will extend its neck and repeatedly bite at the strongest zombie on the screen until it dies.

Trivia

 * You can't use Plant Food on Chompmore while it is a statue.