Allotments are very special places and we want to see them grow, gain support and hopefully spread. If you have an allotment related site of your own, drop us a line and we'll check it out. If we think it's spiffing, we'll list it here (NB just like a good piece of veg, we care about content, not fancy looks!).
The kingpin site is the National Association of Allotment Societies which you can find here
If you have an allotment or are thinking of joining one, be sure to head on over here: Allotment Vegetable Growing: It's got stacks of allotment diaries, photographs, advice about growing vegetables, fruits and herbs with a forum for chatting on the plot.
Sunnyside Allotment Society - Based in Berkhamsted, Hertfordshire, this site has some good info pages and a handy month by month kitchen garden calendar.