"George.com" wrote in message news:h5bfs1

I'd not bother with the plastic and instead cover the area with cardboard
or old felt carpet underlay. Whatever comes free and second hand. A carpet
layer will often have second hand hessian underlay they are happy to part
with for free.

Coffee grounds, food scraps, leaves, grass clippings. Chuck it all on top
of the hessian or cardboard and leave for a few months & you have a
garden.

I think this system works even better if you chuck all thos things under the
free top layer. I like to let the worms get at it and do a lot of work for
me. But then my soil is rotten and hard and wormless so I also dig up some
worms from my veg garden, dig a tiny bit of soil so thye at least have some
soil cover and then do what you describe.