Perennials are the types of plants that bloom every year, and because they know what to expect in terms of color, blooms, and textures, many gardeners use them to provide a basic structure to their gardens, borders, and the overall landscape. Smart Guide: Perennials covers information on designing gardens, improving the soil, planting, fertilizing, and maintaining perennials and bulbs. The book contains information on buying plants, starting plants from seed, and transplanting. Step-by-step photographs illustrate the necessary gardening techniques. There are sections dealing with common garden pests and diseases, as well.