
What to Plant in September in Canada: Zone-by-Zone Fall Sowing Guide
What to plant in September in Canada, organized by plant hardiness zone bands from the cold Prairies to mild coastal British Columbia.
Canada
Canadian growing is a timing problem before it is a soil problem: the last frost sets the start, the first frost sets the end, and everything worth harvesting has to fit between them. agripure reads its plant database and guides through that constraint.
The guides below were written for Canadian conditions — zone 3 fruit trees, Ontario and BC planting windows, winter storage, and livestock through a real winter. The plant database adds the species with the coldest hardiness floors in our records.
Canada uses its own plant hardiness zones (Natural Resources Canada). Our plant profiles carry USDA ratings, which run roughly one zone warmer than the Canadian scale for the same place — read a USDA 4 as a cautious Canadian 3.
In season · October
It is autumn in Canada. This month on agripure:
Guides
36 guides written for Canada.

What to plant in September in Canada, organized by plant hardiness zone bands from the cold Prairies to mild coastal British Columbia.

What to plant in October in Canada, covering garlic, cold-hardy perennials, winter salad greens, and key autumn soil preparation tasks across all hardiness zones.

What to plant in November in Canada, covering regional hardiness zones, winter sowing, late garlic planting, and key soil protection jobs.

What to plant in May in Canada across plant hardiness zones 2 to 8. Learn when to start seeds indoors, direct-sow cold-hardy crops, and safely transplant summer vegetables.

In March, Canadian planting activities depend entirely on your local hardiness zone, ranging from indoor seed sowing in cold northern zones to direct outdoor planting in coastal British Columbia.

What to plant in June in Canada, organized by plant hardiness zones from cold northern regions to mild coastal British Columbia, including sowing and transplanting calendars.

What to plant in July in Canada depends heavily on your plant hardiness zone. While northern regions must focus on quick-maturing greens, southern and coastal growers can direct-sow root crops, bra…

What to plant in January in Canada, organized by regional plant hardiness zones from the frozen Prairies to the mild British Columbia coast.

What to plant in February in Canada, organized by regional hardiness zones from indoor seed starting in the interior to early outdoor sowing on the coast.

A complete zone-by-zone guide to December planting and winter gardening jobs across Canada, from frozen northern Prairies to coastal British Columbia.

August planting in Canada varies by plant hardiness zone, ranging from quick-maturing salad greens in the north to winter-hardy root crops and brassicas in southern and coastal regions.

What to plant in April in Canada, organized by Canadian Plant Hardiness Zones from coastal BC to the cold Prairies, featuring indoor sowing schedules and outdoor direct-sowing guidelines.
Plant database
Profiles whose hardiness floor reaches USDA 4 or lower — the coldest-rated species in our records. Read a USDA 4 as a cautious Canadian 3.
Tools
Who this is for
A note from the field, weekly