RHS A-Z encyclopedia of garden plants. (Fourth edition)

The ideal gift for gardeners - discover more than 15,000 beautiful plants and learn how to successfully grow each one with this definitive planting guide now in its fully updated 4th edition.

The RHS A-Z Encyclopedia of Garden Plants has been compiled by an unrivalled team of over 70 plant experts led by Chris Brickell, the former Director General of the Royal Horticultural Society and a globally renowned plantsman.

This latest edition of the world's most comprehensive garden plant encyclopedia has undergone the greatest update since its first publication, with more than 5,000 new entries added and 6,000 superb images featuring fresh new photography.

Whether you're looking for inspiration for an unusual new flowering plant to grow, want to identify an amazing orchid you've seen, or need to find out how to keep alive the cactus you've been gifted - the A-Z is bound to have the answer.