Floriculture as a branch of plant growing is based on the principles of modern biology. The biological basis of floriculture is knowledge of the characteristics of growth, development of flower crops, their needs for environmental factors in order to develop the most rational methods of agricultural technology. The ultimate task is to study the patterns of formation of the maximum yield of flower products with high quality indicators and the lowest costs. Modern floriculture is an industrial branch of plant growing. Modern floriculture uses a wide variety of species and varieties of ornamental plants, which differ from each other in biological, environmental, morphological and decorative features. It is important for a florist to know the origin and development features of flower crops in order to more easily solve the problems of caring for them. This book discusses the features of growing daffodils.