The authors would like to thank Landscape Ontario Grower's Association and Growing Forward initiative for providing financial support. Growing Forward is a federal-provincial-territorial initiative. The Agricultural Adaptation Council assists in the delivery of several Growing Forward programs in Ontario.
This guide would not be possible without the help and collaboration of the many nurseries. Thank-you to those individuals that have contributed specimens for study and photography.
We would like to thank the following photographers that have contributed images, Vince Belluz, Adam Jewiss-Gaines, Gavin Dawson, Patrick Hodge, Andrew Cummings, Jacy C. Lucier, Robert J. Pivar, Laura N.L. Johnson, Morgan D. Jackson, and Simona Skarecky.
Special thanks to Abiya Saeed, Man-San Ma and Meagan Tungate for their help with photo touch-ups and database development.