This invention relates to a growing tray and growing tray system for a rotating hydroponic garden. The growing tray is shaped to hold a standard cube of hydroponic growing media with or without a basket with a cap to cover the top opening in the tray between the plants. The growing tray may include an indentation at the bottom of the growing tray to provide room for root growth expansion. The cap may additionally include a flap for covering the space between growing trays in a rotating hydroponic garden.
