Hostas are consistently voted the gardener's favorite perennial — their clean lines, sumptuous leaves, and elegant flowers offer great potential for striking specimen plantings and also make them the most accommodating of companion plants. The core of this encyclopedia is a fully illustrated collection of the world's finest hostas. This valuable resource provides a full description and color photograph for more than 750 plants. Informative sections on hosta classification and botany, gardening ideas, advice on pests and diseases, and a quick-reference list of the best hostas for different purposes add depth to this comprehensive review of the present-day hosta.