Horticulture as an applied science deals with theories and technologies on cultivar development, mass propagation, production and postharvestof vegetables, fruits, flowers, and some useful plant resources. New horticultural areas encompass landscape gardening for beautiful living environment, living horticulture or horticultural theraphy for healing physical or mental sufferings, and applications of ICT (information and communications technology) for higher yield performance. In connection with 6th industry in agriculture, green care farming or tourism agriculture mainly targets horticultural products or horticultural practices. Ultimately horticulture pursuits harmonious relationship among human being, plant, and surrounding environment. Students majoring the horticultural science will be educated with basic subjects including agronomy, plant physiology, chemistry, genetics, environmental biology, and other optional subjects including plant nutrition, plant disease, plant breeding, tissue culture, landscape design.