Whether you're cultivating delicate plants

Thanks to the intelligent attachment to the greenhouse

Your plants get all the nourishing light they need without the damaging effects of harsh sun exposure

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Quick and easy assembly with a simple pin & lock connector system

Janssens | Royal / Junior Victorian 20 in. Wide 4 in. Deep Seed Tray Standalone Metal Garage Whether you're cultivating delicate plantsThe Janssens Royal Junior Victorian 20 in. Wide 4 in. Deep Top Shelf is a great optional addition for your Janssens Royal Victorian or Junior Victorian greenhouse. This is a 20" wide and 4" wide seed tray shelf that is intended to run the full length or width of your greenhouse, and is available in a number of different lengths. You can order your shelf in Black or Green. Note that this seed tray should only be ordered with a greenhouse, due to the