Jiffy Seed Starting Indoor Greenhouse Kit - 50 Ct. Peat Cells Catalog Lawn & Garden Seed Starting Products Trays, Pots, & Strips Jiffy Seed Starting Indoor Greenhouse Kit - 50 Ct. Peat Cells Manufacturer : Jiffy Garden Products Description Grow your plants all year long with this 50 pack seed starting tray and greenhouse! Grows 50 Plants Degradable Pots make transplanting easy! Plastic Greenhouse top Plastic bottom tray Rates Please contact us for current pricing and availability.