Easy to use method of determining your optimum plant hardiness zone, simply type in your Postal Code for the result
Your Plant Hardiness Zones outlines the different zones in Canada where various types of trees, shrubs and flowers will most likely survive. It is based on the average climatic conditions of each area.
Most plant catalogues highlight the hardiness zones that the plant will thrive. Most cold hardy plants will survive in warmer zones but not the other way around.