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Can You Grow Cabbage in Ontario?

Canada · Canadian Zone 5 · zones 3, 4, 5, 6, 7

Grows well here

Cabbage grows well here — it is one of the most cold-hardy vegetables available.

Plant zones

1a–9b

Ontario last frost

mid-April

Ontario first frost

mid-October

Days to harvest

70–120 days

When to plant Cabbages in Ontario

Start indoors

Mar 3

Transplant

Apr 15

Harvest

Jun 24 – Aug 13

Dates are approximate, based on Ontario's average frost dates. Your exact yard may vary by microclimate.

About Cabbage

Cabbage is cold-hardy and productive — a staple of cool-climate gardens.

Start indoors 6-8 weeks before last frost. Transplant early — cabbage handles frost. Net against cabbage moths. Harvest when heads feel solid and before they split.

Full cabbage growing guide →

Gardening in Ontario

Ontario spans several climate zones. Northern Ontario is Zone 3-4 with short seasons; southern Ontario is Zone 5-7 with long productive seasons. The Niagara Peninsula is one of Canada's premier fruit-growing regions.