The definitive horticultural reference for the 21st century with detailed profiles of some 15,000 garden plants, prepared by a panel of leading gardening experts. From the new & exotic to heirlooms & garden favorites plans are suite to gardens of all kinds. Over 6000 superb photographs illustrate the diverse forms & colors of a spectacular array of plants. "Staggering comprehensive, easy to use, and full of photographs that have been meticulously checked." Anna Pavord.