A growing apparatus which comprises a rotatable drum (12), a light source (15) situated interiorly of the rotatable drum, a plurality of plant receiving devices extending transversely of the drum and being located interiorly thereof, each of the plant receiving devices (16) including a tray having a plurality of plant receiving receptacles (32) formed therein, each of the plant receiving receptacles having a frustoconical configuration with a narrow end of the frustoconical configuration facing interiorly of the drum towards the light source.