Plantera's Bulb

Plantera's Bulb is used to spawn Plantera It can be destroyed using a Pickaxe or a Drill They spawn in random places in the Underground Jungle after one of the mechanical bosses has been defeated. It can be seen on your map if you have already explored the Jungle area, making finding these a bit easier. They will respawn after a while, allowing the player to keep summoning Plantera.