Garden Focussed Great reference tool to check what to de, when and with what.
Allotment & Gardens Very useful site by John Harrison (author of 'The Allotment Year')
Allotments4All Forum for plotters everywhere
Garden Organic UK's leading organic growing charity
Earthly Pursuits Monthly allotment guides from 1945
Plotters Page - Forum for plot holders and anyone interested in Hoole Allotments