Daniel Hinkley is a plantsman, author, lecturer, nurseryman, and horticultural consultant. He earned a B.S. in Horticulture and Horticulture Education from Michigan State University and an M.S. in Urban Horticulture at the University of Washington. His first garden, Heronswood, near Kingston, Washington is now owned and operated by the Port Gamble SKlallam Tribe and is open to the public throughout the year.

Dan's current garden, Windcliff, is just a few miles from Heronswood. It sits on a high bluff overlooking the Salish Sea. For forty years, Hinkley has traveled the globe to similar climates to observe and preserve plants that deserve recognition as possible new additions to landscapes worldwide.

He has written four books and has been recognized by his peers in receiving numerous awards for his work, including the Liberty Hyde Bailey award from the American Horticulture Society, the Scott Gold Medal from the Scott Arboretum, and the Veitch Memorial Medal from the Royal Horticultural Society.

Mark Richardson is the Director of Horticulture for the New England Botanic Garden at Tower Hill in Boylston, Massachusetts. He leads a team of horticulture staff and oversees a living plant collection that spans sixteen distinct garden spaces, two conservatories, and over 100 acres of surrounding woodlands and wetlands. He has a passion for ecological horticulture and native plants, and he lectures on various topics including “How to Kill Your Lawn.” He is the co-author of the book Native Plants for New England Gardens (Globe Pequot, 2018).

David Teuschler is the Chief Horticulturist for Devil Mountain Wholesale Nursery. He established the nursery’s propagation program and currently directs the propagation and inventory teams for the company’s sixteen locations across California. David has worked in the nursery industry for three decades, including many years at Valley Crest Tree Company. While there, he served as Plant Health Care Manager for the Specimen Tree Division, Account Manager in the Estate Gardens Division, and, most notably, Chief Arborist for the Apple contract grow, responsible for growing over 7,000 trees – half from seed – for installation at the Apple campus in Cupertino, CA. David is a Certified Arborist and a member of the Western Chapter of the I.S.A. and the I.P.P.S. He is a 3rd generation Californian and has a BS in Ornamental Horticulture from California State University, Fresno.