A plant growth container includes a tray, an inlet channel in the tray, a growth media retainer in the tray, one or more protrusions within the growth media retainer, an outlet channel connected to the growth media retainer, and a lid capable of being fixedly attached to the tray. The tray can be used in a hydroponic growth system for plants, where the system includes a container for growing plants. The container includes a tray, an inlet channel in the tray, a growth media retainer in the tray connected to the inlet channel, one or more protrusions in the growth media retainer, the protrusions capable of securing growth media from lateral movement, an outlet channel connected to the growth media retainer, and a lid. The system may include a reservoir for holding a liquid and a pump capable of pumping the liquid from the reservoir to the container.