Citibank looms over the P.F. 1 garden
The underside of the structure
All the paper tubes are tied together with 2 x 4 lumber and bolts
The growing media is supported by a plywood base
A graphic representation of the growing media system called GaiaSoil.
The growing media is primarily Polystyrene, with a layer of jute and then a thin layer of compost on top. In this photo you can see the polystyrene coming through. This spinach is not doing so well, although I cannot say it is because of the growing medium or some other problem- like summertime.