Plant hardinesss zones map

Plant hardiness zones 2014 Ontario viewThe range of Plant Hardiness Zones in Canada is reflected in the colours used. At a glance, you can appreciate the subtle but important differences.

For example, in the Ontario sample shown you see the colder zones are in the green colours while the warmer zones are in browns and the colour of terra cotta pots — such as near Windsor and St. Catharines.

Zones are changing according to new research. We explain what this means:

Plant hardiness zones changing, slowly

Know your zone

Some of the resources to find out about your area:



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