By Hobhouse, Penelope
By Harris, Derek, Russell, Tony
By Good Housekeeping Institute
By Plumptre, George, Palmer, Hugh
By Jean Hillier, Roy Lancaster
By Walker, Coral, Forster, Jane
By Krempel, Ulrich, Clark, Ronald, Heidrich-Peiers, Birgit, Lejeune, Pierre Marie
By Carlberg, Michael
By Isabel Kuhl
By H. Walter Lack
By Taschen
By Food and Agriculture Organization of the United Nations
By Beverley, Deena, Newton-Cox, Andrew
By Consultant Editor Alan Titchmarsh, Alan Titchmarsh
By Janick, J.
By Rau, Heidi, Young, Lesley
By Newnes, Mary
By Paul Wagland
By Brennan, Georgeanne, Holt, Geraldine
By Squire, David (Compiler)
By Royal Horticultural Society
By Brooklyn Botanic Garden, Marinelli, Janet, Tim, Stephen K-M
By Scott, Margaret Kennedy, Beazley, Mary
By Hessayon, Dr D G, Dr. D. G. Hessayon.
By Ableman, Michael
By Beckett, Kenneth A.
By Tessa Evelegh
By Dimmock, Charlie