Coolip

Coolip is a plant in Plants vs. Zombies 2. When planted, it will chill a random zombie on the screen, dealing 1.25 damage to them. It will then chill another zombie after 4.5 seconds. When a zombie is chilled, it moves faster than if it was chilled by a Snow Pea. The chill effect is in place for 10 seconds.

Plant Food ability
Chills all zombies on the screen for 20 seconds and deals 2 damage to them.

Almanac entry
"My favorite season is the summer," says Coolip. "I like how you can taunt the other plants while they're fanning themselves, but nothing really happens to me."

Trivia

 * Its name is a pun on "cool" and "tulip".