"Perennial gardening can be fun, easy and rewarding, especially when you have this beautifully illustrated guide at your fingertips. Grouped into 92 entries, these species, varieties, hybrids and cultivars range from the easiest to grow to the challenging flowers that will expand your gardening triumphs. The authors share their common sense and practical advice to help you transform any patch of ground into a spectacular garden you can enjoy year after year."--Back cover.