This is fully revised & updated edition of the worlds finest & most authoritative source of gardening advice from the experts at the RHS. Marking 20 years since first publication the updated edition of the RHS Encyclopedia of Gardening" is the classic reference for keen gardeners. Packed with unrivalled gardening advice youll find guidance & step-by-steps on everything from pruning to propagation. Plus new topics reflect current trends including how to grow fruit & vegetables in containers & green roofs. Whatever your level of skill in the great outdoors expert tips & guidance from editor Christopher Brickell & a team of specialist contributors " The RHS Encyclopedia of Gardening" will help you create & keep your garden perfect all year round."