Rick Darke is a landscape design consultant, author, lecturer, and photographer based in Pennsylvania who blends art, ecology, and cultural geography in the creation and conservation of livable landscapes. Darke served on the staff of Longwood Gardens for twenty years, and in 1998 he received the Scientific Award of the American Horticultural Society. His work has been featured in the New York Times and on National Public Radio. Darke has studied North American plants in their habitats for over three decades, and his research and lectures have taken him to Africa, Australia, Brazil, Costa Rica, Chile, Japan, New Zealand, and northern Europe. His books include The Encyclopedia of Grasses for Livable Landscapes (2007), The American Woodland Garden (2002), and In Harmony with Nature (2000).