Abstract: A propagation system for growing seeds to seedlings, the propagation system comprising: a holding tank configured to be coupled to a water supply; a first plurality of rack docks and a second plurality of rack docks; a central wall disposed between and separating the first plurality of rack docks from the second plurality of rack docks, the central wall comprising water supply infrastructure configured to deliver nutriated water from the holding tank to the first and second plurality of rack docks and water return infrastructure configured to return nutriated water from the first and second plurality of rack docks to the holding tank; one or more pumps operatively coupled to pump nutriated water through the water supply infrastructure and through the water return infrastructure; wherein each rack dock in the first plurality of rack docks and each rack dock in the second plurality of rack docks defines a set of propagation tray locations, each propagation tray location in each set of propagation tray locations