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The Tree Atlas: Southwest region

Learn which trees are native to Ontario and the best species to plant where you live. Click on the map as close as possible to your intended planting site. Or select a region for a larger-scale map.

Updated: December 29, 2023

Published: October 06, 2021

Select a region

Planting tips

Plant locally sourced trees. They may be better adapted to your local climate conditions.
Plant a variety of tree species to minimize the effects of tree pests and diseases.
Plant trees in the fall if possible. Trees planted in fall have more time to root before they are exposed to dry periods the following season. They are more likely to flourish and may need less watering.

List of native trees for ecodistrict: Southwest

Click on a tree species to learn more about it.

Acknowledgements

Thank you to the citizen scientists, ministry employees past and present, and University of Guelph Arboretum for your contributions to the Tree Atlas.