The immense Oncidium/Odontoglossum alliance contains some of the most popular orchids grown, including members of the genera Ada, Brassia, Cyrtochilum, Odontoglossum, Oncidium, Psychopsis, Rodriguezia, Rossioglossum, and Trichopilia. Finding reliable cultural information for more than just a handful of the most commonly available species, however, can be a real challenge. In this meticulously researched volume, Margaret and Charles Baker have assembled a staggering amount of data about these plants in an accessible format. By combining weather records and habitat reports with information from successful growers, the authors have formulated recommendations for approximately 1300 species within this important group. The wealth of information provided in this book makes it an invaluable addition to the library of every serious orchidist.