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What to sow in September in Canada

In September, radish, spinach, arugula and more can go in outdoors in most of Canada, with bok choy, cilantro, scallion outdoors only in milder places.

Outdoors in most of Canada

Good to go in 60% of towns or more.

Outdoors in milder places

Only where it’s warm enough this month.

Under cover

In indoors, a greenhouse or a cold frame.

Dates for your town

Exact dates change from town to town. Find yours for the whole year.

Get these dates as reminders

Bia turns this calendar into a nudge when it’s time to sow, plant out and harvest, for your backyard or community garden plot. Free for 2 months.

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How these dates are worked out: climate records for each town (ERA5-Land, 1995 to 2024), its frost dates and its height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work