About the book:
"RHS Encyclopedia of Perrenials" is the definitive practical guide to choosing, planting and combining herbaceous perennials - an essential tool for gardeners of all levels, from the experts at the RHS. From Acaena to Zizia, an A-Z guide to over 5,000 perennials. It includes the vast numbers of new perennials made available in the last 10 years. This title tells you how to choose the right ones for your garden with cultivation, propagation & hardiness information to help you grow them successfully. It includes inspirational ideas for planting schemes. It provides expert tips on how to get the best from your plants and your garden. Make a perennially beautiful garden with this essential guide.