Clickable Species Maps
Click on an individual State/Province or to view native and naturalized species.
Click on a USDA Hardiness Zone (lower left) to view plants commonly
planted in that zone.
- This USDA plant hardiness zone map is based on USDA Miscellaneous Publication
814, "Plant Hardiness
Zone Map," which was revised in 1965 and more recently in 1990. For our purposes, zonal subdivisions in the original map have
- Canada hardiness zones developed by Natural Resources Canada
- Mexico range map based on the old hardiness zone map.