John Harrison Allotment Garden

Fantastic website for all aspects of allotment gardening. Contains lots of help and advice including "Jobs for the Month". http://www.allotment-garden.org

Kings Seeds

Seed supplier http://www.kingsseeds.com/

BBC Gardening

Gardening advice from BBC experts http://www.bbc.co.uk/gardening/

Royal Horticultural Society

The RHS gives you up-to-date information each month along with access to advice, plants, joining the RHS,gardens, publications and much more. http://www.rhs.org.uk/