Ontario Vegetable Planting Calendar 2026
Published: April 24, 2026
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.
