It's been a busy weekend on the roof, as Mike and I begin the task of transforming our rooftop flower garden into a veg plot.
I managed to scavenge a load of palettes and these are being made into raised beds.
I've decided to have a go at Mel Bartholomew's Square Foot Gardening method (see www.squarefootgardening.com). The idea is that you can grow most annual vegetables in a one foot by one foot by six inches deep plot. The marking out of the garden into squares appeals to my architectural sense of order. As my roof deck is already divided into 600mm squares, it's been pretty easy to design some two foot, 600mm wide raised beds.
However Mel, being a bit of an unreconstructed American, uses a highly controversial compost mix. It's one part compost, one part vermiculite and one part peat. I've substituted composted bark in one bed, but I'm hoping to find a slightly finer soil conditioner for the rest.
Here you can see some images of how we're getting along.