Alarm Arrowhead (警爆磁菇 ; pinyin: jǐng bào cí gū ) is a plant in the Chinese version of Plants vs. Zombies 2. He functions similarly to Squash, dealing large damage to a group of zombies in a one tile area, but with the added bonus of disabling nearby mechanical zombies similarly to E.M.Peach.
Placing two Alarm Arrowheads on the same column or row will create a red line between them, similarly to Electric Currant and Icy Currant. If a zombie crosses the line, one of the Alarm Arrowheads will attack the zombie.
Alarm Arrowhead is based on the root of the Sagittaria sagittifolia plant, commonly known as the arrowhead.
Plant Food upgrade
Fires a blast of energy in the third row and third column from the right spanning 3x3 tiles, dealing damage and disabling machine zombies.
Use this plant as you would a Squash, to squash all the zombies in one tile. His ability to disable mechanical zombies can come in handy in Far Future, or against other mechanical zombies like Zombie Bull.