What Gardening Zone Is Kitchener Ontario?

What Gardening Zone Is Kitchener Ontario? What gardening zone is Kitchener Ontario? Location Hardiness Zone KitchenerZone 5b: -26.1°C to -23.3°C LaSalle Zone 7a: -17.8°C to -15°C Lakefield Zone 5b: -26.1°C to -23.3°C Lanark Zone 5a: -28.9°C to -26.1°C What garden zone is Waterloo Region? 1961-1990 zone 1981-2010 hardiness index Wasaga Beach 5b 60 Washago 4b