Steam Gardener are a variety of robots usually found in Steam Gardens of the Wooded Kingdom in Super Mario Odyssey. They are the gardeners of the Steam Gardens and were watering the flowers composing the Soirée Bouquet before Bowser stole them. Later, Bowser sent Torkdrift to steal more flowers and use them as the decorations for his wedding with Princess Peach. Mario manage to destroy Torkdrift and save the Steam Gardens and their guardians.
At the game's finale, in the Moon Kingdom, a few Steam Gardeners can be found in attendance of the wedding between Bowser and Princess Peach. Like other attending members, they were brought forcefully by Bowser. After the end of the game, Steam Gardeners can be found in most kingdoms of the game.
Steam Gardeners bear a resemblance to the robots from the 1972 science fiction film, Silent Running.
Additionally, the film is set in a giant greenhouse resembling Steam Gardens.