Professional gardeners share their many years of experience at the head of some of Britain's leading gardens such as Penhurst Place, Tatton Park, Gresgarth Hall, Crathes Castle, Barton Manor, Highgrove, Great Dixter and Wisley. This anthology of topical tips and advice, taken from the weekly "Telegraph" column, includes how to make a simple cold frame, combating leginess in pelargoniums, reviving tired evergreen shrubs and growing kniphofias.