Can anyone remember Bob Flowerdew on Gardeners World years ago?
In his polytunnel he made another much smaller polytunnel - this provided
extra protection for anything needing frost protection over Winter. I don't
think he had any heating in there in Winter either?
--
David
.... Email address on website
http://www.avisoft.co.uk
.... Blog at
http://dlts-french-adventures.blogspot.com/