Toronto, Ontario
When to plant cabbage in Toronto
Station data · 88% confidence cool seasonhardy to frost
- Harvestlate JuneJun 27 – Jul 27 · 79% conf.
- Start seeds indoorslate MarchMar 28 – Apr 18 · 84% conf.
- Transplant outdoorsmid AprilApr 18 – May 9 · 88% conf.
The growing window at a glance
Frost-free growing season · 150 daysFrost risk (before May 9 / after Oct 6)
Cabbage at a glance in Toronto
- Needs soil above 5°C to germinate well.
- Days to maturity: 70–100 days.
- Climate zone: Continental, warm summer (Dfb).
Frost dates are probabilities, not guarantees. Your garden's microclimate — slopes, walls, urban heat, cold pockets — can shift these dates by a week or more. Use them as a confident starting point, then watch your local forecast.
Frequently asked
When will cabbage be ready to harvest in Toronto?
Expect to harvest from around late June (Jun 27–Jul 27) in Toronto, based on its local frost dates. Confidence 79%.
When should I start cabbage seeds indoors in Toronto?
Start seeds indoors around late March (Mar 28–Apr 18) in Toronto, based on its local frost dates. Confidence 84%.
When can I transplant cabbage outdoors in Toronto?
Transplant outdoors around mid April (Apr 18–May 9) in Toronto, based on its local frost dates. Confidence 88%.
How long is the growing season in Toronto?
Toronto has roughly 150 frost-free days, which is enough time to grow cabbage to maturity outdoors.