https://www.latimes.com/archives/la-xpm-1989-08-10-mn-21-story.html
Jan de Graaff; Horticulturist; Lily Specialist - Los Angeles Times
Aug 10, 1989 - Jan de Graaff, 86, a horticulturist known for making the once impossible-to-grow wild lily a household garden favorite.
jan de graafflos angeleshorticulturistlilyspecialist