Iceberg Lettuce is the second plant that can be obtained in Ancient Egypt in Plants vs. Zombies 2. If you give it Plant Food, Iceberg Lettuce will glow from the inside and cover the entire screen in a blue flash before freezing all grounded enemies, similar to Ice-shroom's effect from the original Plants vs. Zombies. After this, it doesn't disappear and turns into the regular Iceberg Lettuce until it is dug up or used. The Plants vs. Zombies game cursor with Iceberg Lettuce.