Floriculture is a rapidly expanding area of commercial agriculture worldwide, characterized by numerous highly profitable flower crops. The cultivation of flowers is often considered a more practical endeavor compared to other crops. The continuous introduction of new and vibrant varieties and colors in ornamental flower crops not only captivates our interest but also stimulates our curiosity about their breeding technologies. The creation of diverse new and domesticated flower crops by both public and private sector flower breeders has fueled a fascination with the breeding technology behind these plants.It is essential for students studying the breeding and biotechnology of flowers to have a strong foundation of knowledge. Therefore, the book has been written in an easily accessible format to ensure that anyone can understand it without becoming overwhelmed or losing interest. The book has been designed to cover all aspects of breeding, including the fundamental objectives, various breeding methods, methodologies for enhancing specific crops, stress resistance, quality improvement, mutagenesis, genetic engineering, and biotechnology.