Is human breeding an art?
idk but beer is considered a mix of art and science
https://www.google.com/#hl=en&sclient=psy-ab&q=is+beer+brewing+an+art%3F&oq=is+beer+brewing+an+art%3F&gs_l=hp.3...23248.24488.2.24632.5.5.0.0.0.0.64.291.5.5.0.ernk_rr..0.0...1.1.8.psy-ab.wyVQUbhfAFk&pbx=1&bav=on.2,or.r_qf.&bvm=bv.44770516,d.dmg&fp=849a5b668cddd045&biw=1280&bih=697
here is a blurb on ornamental flowers from a horticultural course
Field of Study: Ornamental Horticulture
Introduction Programs in ornamental horticulture teach people how to breed and grow decorative plants. Students learn methods of using plants in artistic and pleasing ways. They study the growth and development of specific types of decorative plants. They also learn the basic principles of plant science.
http://www.iseek.org/education/fieldOfStudy?id=110804