Career
Pannill hybridized, named and registered 210 new varieties of daffodils during his life. He was a former president of both the American Daffodil Society and the American Horticultural Society. He also founded the Horticulture Society of South Florida.
Pannill was born to William Letcher Pannill and Adele Dillard Pannill in Martinsville, Virginia.
His father was considered a pioneer of Martinsville"s textile industry, opening the Pannill Knitting Company in 1925. William Pannill, a resident of Palm Beach, died at his summer home in Roaring Gap, North Carolina, on June 10, 2014, at the age of 87.