allotment.orgA useful practical site run by an allotment holder.
bbc gardeningA general gardening site with some allotment content and some vegetable growing articles. Good links to publications and programmes
National Society of Allotment and Leisure GardenersThe allotment magazine is circulated among our members. Great advice and a chance to see other allotment projects
Royal Horticultural SocietyThe Royal Horticultural Society – perhaps a link for those who have gardens also.
Garden OrganicThe national charity for organic growing.
The GuardianAllotment blogs.