Steve Harris wrote:
I have some shady redundant concrete areas and I was wondering about
making raised beds directly on them? These, I realise might have poor
drainage but the main problem I have here is extremely well drained
sandy soil.



provided you put a 15cm ?? shigle drainage layer at the bottom amd adequate
drainage gaps at the bottom of the bed walls and have min 18" soil, there
should be no problem.

pk