Xia, Ph.D.,1born in September 1964, professor of Zhejiang University, doctoral supervisor. Currently, he is the director of the Institute of Landscape Architecture of Zhejiang University, the vice president of the bulbous flower branch of China Horticultural Society, the director of Zhejiang Landscape Architecture Society and the executive director of Hangzhou Landscape Architecture Society.

Since 1990, he has been a lecturer in the course of Floriculture, guiding 22 master students and doctoral students: he has presided over the scientific research projects of the National Natural Science Foundation and won 6 scientific research achievement awards; Published academic papers 102, including 5 articles in SCI, 5 articles in domestic first-class journals 12 articles in China Garden. Published monograph 10, and compiled 4 textbooks of "2 1 century curriculum". In recent years, we have devoted ourselves to the research on the resource utilization and planting design of garden ground cover plants, flower border plants and hydroponic plants, started the network database of garden ground cover plants in China, and established a provincial bulbous flower germplasm resource garden.