Arrange the Flood Tray The plant tray, or flood tray, is a big, shallow container on a tall stand. Plant your seedlings in perforated pots stuffed with a growing medium, for example perlite. The pots that the seedlings are in must be about twice as deep as the flood tray. https://sethzmxem.blogofoto.com/57702481/the-best-side-of-eleuthero-health-benefits