Ontario Vegetable Planting Calendar 2026
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Ontario's growing season ranges from 153 days in Ottawa (Zone 5b) to 195 days in Toronto (Zone 6b), giving most gardeners reliable windows for tomatoes, peppers, and all cool-season crops.
153–195 frost-free days across 5 cities
Ontario Cities — Planting Calendars
Each city page shows local frost dates, Canadian zone, and a 12-month planting schedule.
Toronto, ON
Canadian Zone 6b · 195 frost-free days
Last frost April 20 · First frost November 1
Ottawa, ON
Canadian Zone 5b · 153 frost-free days
Last frost May 6 · First frost October 6
Hamilton, ON
Canadian Zone 6b · 189 frost-free days
Last frost April 22 · First frost October 28
London, ON
Canadian Zone 6a · 170 frost-free days
Last frost May 3 · First frost October 20
Kitchener, ON
Canadian Zone 6a · 167 frost-free days
Last frost May 1 · First frost October 15
Vegetables for Ontario
Each vegetable below has a Ontario-specific planting guide with city-by-city dates, variety recommendations for the local zone, and viability notes for short-season crops.
