Acknowledgements

Thanks to the Andersen Horticultural Library staff, and Librarian Kathy Allen for their help in locating historical materials and slides; Arboretum staff: Merve Eisel, Mike Zins, Jeffrey Johnson, Darwin Pellett, Peter Moe, Alan Branhagen, David Stevenson, and Peter Olin for their oral histories, background information, and edits; University of Minnesota Libraries staff: Shane Nackerud, Kristen Mastel, and Julia Kelly for assistance with Press Books, and archival information; Gabe Nyen for his drone video; Bill and Chris Hockenberry, for images, and oral history of the author’s childhood hedge. 

Special thanks to Dr. Michael Dosmann, Keeper of the Living Collections, Arnold Arboretum, who saw the MLA’s Hedge Collection and noted its cultural significance.