Sea Pickle

Sea Pickle is the second plant obtained in Underwater City  in Plants vs. Zombies 2. It is unlocked on Underwater City - Day 5.

Sea Pickle illuminates in a 3x3 area, however, it can be stacked twice more to increase than illumantion area.

Origins
Sea Pickle is based off the Sea pickle, an animal located underwater that can light up dark depths of the ocean. The plant that Sea Pickle is based on is the Pickle, a cucumber that has been pickled in vinegar, brine or another solution. Sea Pickles name is a combonation of two things, Sea pickle, the animal that Sea Pickle is based off of, and Pickle.

Strategies
Sea Pickle is basically a must in Underwater City due to the Darkness gimmick that it has. Be sure to stack Sea Pickles to increase illumation range, and allowing it to not be planted everywhere that Oxygen Algae would be planted.

Plant Food Effect
When boosted with Plant Food, Sea Pickle will create 2 other Sea Pickles in darkly-lit areas.

Submerge-mint/Enlighten-mint Effect
When boosted with either Submerge-mint or Enlighten-mint, Sea Pickle's recharge is faster and it lights up a 7x7 area on it's own.

Level upgrades
Sea Pickle cannot be upgraded.

Trivia

 * It's almanac entry references Rick and Morty.