The only problem I would think with wood is that it will eventually rot. Bricks or breezeblocks were recommended to me but I have yet to get round to doing the deed! Good luck and quite sure someone more experienced will be along shortly!

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Happy Gardening,
Shirley

Can you help a friend raise money for British Heart Foundation please. He is climbing Machu Pichu later in the year and needs to make all the dosh he can for a good cause. www.justgiving.com/simonquinn2010

http://www.honeyjukes.co.uk