Arrange the Flood Tray The plant tray, or flood tray, is a considerable, shallow container on the tall stand. Plant your seedlings in perforated pots full of a growing medium, like perlite. The pots that the seedlings are in must be about two times as deep as the flood tray. https://aries-compatibility93715.weblogco.com/26657093/a-review-of-coleus-varieties