Publisher synopsis: This is the ultimate gardening reference: two volumes covering everything you need to know to keep your garden flourishing, from the experts at the RHS. Choose the plants you want for your garden and learn to position and care for them properly with the new edition of this perennial favourite. It offers detailed profiles of 15,500 garden plants: from new and exotic varieties to garden favourites, that provide all the guidance you need. In this title, draw on authoritative, expert advice from Britain's leading horticulturists on cultivation, beating pests and diseases and creating outstanding displays. It includes a special section on how to use colour and in-depth features on the most popular plants such as lilies and hostas.