East Sea Dragon Palace

East Sea Dragon Palace is the fifth world in Plants vs. Zombies Online. It takes place in the East Sea in an aquatic setting. This world is under sea and all land plants will die soon without oxygen supplies here. It is similar to the aquatic world in Plants vs. Zombies: Journey to the West, which is also called the Dragon Palace with similar plants to this world.

New plants

 * Bubble Flower
 * Oxygen Algae
 * Starfish Fruit
 * Electric Anemone
 * Mine Fruit
 * Garlic
 * Penetrating Magma Fruit
 * Unknown Sea Anemone-like Plant

Trivia

 * It is currently the only world in Plants vs. Zombies Online that is not based on a time period, but Chinese legend.
 * According to the legend, each of the four dragon kings had a huge palace in their seas, which are the East Sea, West Sea, North Sea, and South Sea.
 * This world and its counterpart in Plants vs. Zombies: Journey to the West are the only worlds to be entirely water-logged. They are also based off the same location in Chinese mythology.
 * It is similar to the aquatic world in Plants vs. Zombies: Journey to the West, which is also called the Dragon Palace with similar plants to this world.
 * When a land plant is drowning, the sound of zombie bites can be heard, despite the fact there are no Zombies involved.
 * All the land plants' projectiles have the animation of going through water in this world.
 * This world resembles Atlantis.