chapter<br > 1<br > PLANT<br > NOMENCLATURE<br > AND STRUCTURE<br > ome of the most beautiful flowers for the bnpatiens， which come from Asia and Afi ica， live<br > garden appear on annual plants， which on year after year in their warm native habitats; but<br > complete their life cycle in a single year， in climates where frosts occur， these plants must be<br >producing only one seascm of color. The best of treated as animals. Other select tender and short-<br >these single-season plants for the garden have been lived perennials include such favorites as Bellis<br >collected here. perennis (English daisy) and Centa.rea cineraria<br > This volume of the Hearst Garden Guides pre- (dusty miller). Finally， a few vines widely grown<br >sents a selection of the annuals and other single- for their ornamental annual color， such as Cobaea<br >season plants best suited for home landscape and scandens (cup-and-saucer vine) and Ipomoea species<br >garden use. The Encyclopedia of Annuals (chapter (morning glory，)， can also be found in the encyclo-<br >4) features the most commonly available species pedia. In northern areas some tender bulbs， such as<br >and cultivars， as well as other interesting and Begonia x tuberhybrida (tuberous begonias)， and<br >unusual varieties. The plants were chosen for their species of Canna and Daldia， are often grown for a<br >beauty， popularity and availability. From single season of flowers (to survive the winter they<br >Abelmoschus moschatus to Zinnia lineam， each entry must be lifted and stored in a frost-free location--<br >includes key facts and opinions about a given for some， this is a prohibitive anaount of work);<br >species， and outlines the planting， cultivation and but as bulbous plants they are fully covered in the<br >care required for success in the garden. Hearst Garden Guides volume Bulbs.<br > In addition， the encyclopedia contains plants Foliage plants can be as important as flowers to<br >that are used as annuals for seasonal color， irrespec- good garden design. Many plants， including some<br >tive of their botanic classification. Some of the that flower like Coleus species， are grown primarily<br >best-loved plants that are used as annuals are actu- for their foliage (which is used in combination<br >ally tender peremaials， meaning they cannot with- with flowering plants for color contrasts). The<br >stand frost. For example， species of Petunia， which encyclopedia includes some of the most important<br >come from Central and South America， and of these annual foliage plants.<br >