A comprehensive reference guide to the colourful world of perennial plants. The entries comprise plant characteristics, cultivation advice and design tips for growing over 2700 of the most popular perennial plants. Perennials are the mainstay of any garden. But how do you choose from the thousands available, and care for the ones you already have? Essential Perennials helps you decide exactly which plants will bring you the beauty you want and will thrive in the conditions you can provide. Trusted garden experts Ruth Rogers Clausen and Thomas Christopher focus on what every gardener needs to know. For each plant you’ll find information on flower color; season of bloom; foliage characteristics; height and width; light requirements; and hardiness and heat sensitivity. You’ll also learn cultural tips, the most outstanding cultivars for each species, and whether a plant has any special requirements or potential problems.