Liberty Hyde Bailey, American botanist and academic, co-founded the American Society for Horticultural Science (died 1954)

Liberty Hyde Bailey was an American horticulturist and reformer of rural life. He was cofounder of the American Society for Horticultural Science. As an energetic reformer during the Progressive Era, he was instrumental in starting agricultural extension services, the 4-H movement, the nature study movement, parcel post and rural electrification. He was considered the father of rural sociology and rural journalism.

The American Society for Horticultural Science (ASHS) is a professional society for horticultural science based in Alexandria, Virginia. Founded in 1903, the mission of ASHS is to promote and encourage national and international interest in scientific research and education in horticulture in all its branches. The more than 4800 ASHS members in all 50 states and 60 countries around the world fulfill this mission by sharing the results of their research, teaching, extension, and community engagement activities with their colleagues and humankind the world over.

March 15 is the 74th day of the year in the Gregorian calendar; 291 days remain until the end of the year.