Provided is plant cultivation equipment that makes it possible to carry out the planting of seeds and seedlings with minimal effort and without causing bacteria to adhere thereto. A planting work chamber 2 is provided to a stage prior to a plant cultivation chamber 6 in which seeds/seedlings S of a plant are cultivated. The planting work chamber 2 has a microbe entry limiting structure and is provided with: a sterilizing agent supply device 23 that supplies a predetermined amount of a sterilizing agent into the planting work chamber 2 said sterilizing agent being use to sterilize a work space into which a plurality of culture medium holding units 3 are carried a sterilizing agent concentration detection device 24 that is provided to the planting work chamber 2 and that detects the concentration of the sterilizing agent an exhaust device 26 that discharges the sterilizing agent from the planting work chamber 2 and an outside air supply device 25 that is used when the sterilizing agent is discharged from the planting work chamber 2 to supply outside air into the planting work chamber 2 via a filter 25b capable of capturing bacteria.
