This 25 cell Jiffy Greenhouse is a great way to kick-off your indoor seed starting for the season!Pellet netting has been derived from cornstarch and will biodegrade when you transplant your seedlings outdoors.Get 25 plants growing inside of this greenhouse tray and, as a bonus, get your seedlings started off strong with the sample of SUPERthrive -- a kelp-based vitamin for plants.Includes: one (1) clear plastic humidity dome, one (1) watertight base tray, twenty-five (25) 42mm peat pellets, SUPERthrive sample and 6 plant markers.Seeds are not included. * This 25 cell Jiffy Greenhouse is a great way to kick-off your indoor seed starting for the season! * Pellet netting has been derived from cornstarch and will biodegrade when you transplant your seedlings outdoors. * Get 25 plants growing inside of this greenhouse tray and, as a bonus, get your seedlings started off strong with the sample of SUPERthrive -- a kelp-based vitamin for plants. * Includes: one (1) clear plastic humidity dome, one (1) watertight base tray, twenty-five (25) 42mm peat pellets, SUPERthrive sample and 6 plant markers. * Seeds are not included.