Plantera's Bulb

Plantera's Bulbs are Hardmode background objects that when broken will summon Plantera. They are found naturally-placed in random Underground Jungle locations, once all 3 of the Mechanical Bosses have been defeated (the status message "The jungle grows restless" indicates that Plantera's Bulbs have begun spawning). A Bulb must be destroyed with a Pickaxe, a Drill, with explosives, or the Clentaminator (using Dark Blue Solution) in order to summon Plantera.

Plantera's Bulbs emit moderate light, and will appear on the minimap in areas the player has already explored. They spawn one at a time after a delay of about half a day between them, and unless destroyed, several will eventually be present (10-15 in a small world's naturally-generated Underground Jungle). If destroyed, they respawn after the same delay (though not necessarily in the same spot), allowing the player to summon Plantera an infinite number of times.

Trivia

 * The Bulbs are very similar in appearance to Plantera's first form.

History
Bulbe de Plantera 플랜테라의 알뿌리