PROBLEM TO BE SOLVED: To provide a simple bulb holder which is used for the hydroponics of a bulb, has an excellent design, and can be mounted on a container on hand or a favorite container in response to the shape of the container. SOLUTION: This bulb holder for the hydroponics comprises a setting portion 1 and supporters 2 joined to the setting portion 1 and is made by processing aluminum metal or the like. A bulb 3 is loaded on the setting portion 1.