Seedling Trays – 4 Cell

Seedling trays are suitable for starting seeds or cuttings. Most sizes will hold Jiffy Pellets or Rock Wool plugs (36mm x 40mm). Alternatively, use your seedling substrate of choice in the trays 45 Cell Tray Length: 540mm Width: 275mm Shape: Round Diameter: 48mm Depth: 60mm 48 Cell Tray (For Preforma Plugs / loose seedling mix / 33mm Jiffy Pellets) (2 of these trays fit into a Large Rootit Propagation dome / Garland XL High Dome Propagator) Length: 305mm Width: 255mm Shape: Roundish Cavity Top Diameter: 35mm Cavity Bottom Diameter: 25mm Depth: 50mm 128 Cell Tray (For Preforma Plugs / loose seedling mix. Preforma plugs will sit proud inside this shallow tray, as they are taller than the tray) Length: 540mm. Will need to be trimmed shorter along one short side (using scissors / box cutter) to fit flat into a ROOTiT Large Propagator. Width: 275mm Shape: Square Cavity Top: 28mm Cavity Bottom: 15mm Depth: 40mm Seeds: Soak seeds for 24 hours in distilled water Plant seeds twice as deep as the width of the seed. Germinating seeds 21°C – 32°C (25°C), shadowy warm location. Top of Fridge Keep evenly moist Rockwool: slice open – root must be 1.5cm long so doesn’t heave up and out. 7 – 10 days: Cotyledon Leaves 10 – 14 days: True leaves Can apply quarter-strength Nuts now Growing medium – evenly moist Keep growing medium 2°C – 5°C warmer than ambient air temperature Ambient temperature 24°C – growing medium 25°C – 27°C Seedlings need at least 16 hours of light for 2 to 3 weeks Seedlings require less intense light.