
When to plant onions in Canada
Outdoors, onions go in from around February 24 in Victoria to May 12 in St. John's.
- Type
- Hardy Copes with cold
- First harvest
- About 140 days from planting in the UK
- Spacing
- 4 in between plants
- In pots
- Not really better in the ground
- Straight in the ground. Plant onions where they’re to grow, not in seed trays.
Town by town
24 towns from north to south. Dates move later the further you go from the equator and the higher up. Tap a town for its full calendar.
Plant outdoorsPlant under cover (indoors, a greenhouse or a cold frame)
| TownTown, north to south | JJan | FFeb | MMar | AApr | MMay | JJun | JJul | AAug | SSep | OOct | NNov | DDec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EdmontonFrom Apr 27Outdoors Apr 27 to Jun 17 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| SaskatoonFrom Apr 26Outdoors Apr 26 to Jun 16 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| CalgaryFrom Apr 28Outdoors Apr 28 to Jun 18 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| WinnipegFrom Apr 25Outdoors Apr 25 to Jun 15 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| BurnabyFrom Mar 23Outdoors Mar 23 to May 13 | January: Not this month | February: Not this month | March: Plant outdoors and under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| VancouverFrom Mar 19Outdoors Mar 19 to May 9 | January: Not this month | February: Plant under cover | March: Plant outdoors and under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| SurreyFrom Mar 21Outdoors Mar 21 to May 11 | January: Not this month | February: Plant under cover | March: Plant outdoors and under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| VictoriaFrom Feb 24Outdoors Feb 24 to Apr 27 | January: Not this month | February: Plant under cover | March: Plant outdoors and under cover | April: Plant outdoors and under cover | May: Plant under cover | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| St. John'sFrom May 12Outdoors May 12 to Jul 2 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| QuébecFrom Apr 23Outdoors Apr 23 to Jun 13 | January: Not this month | February: Not this month | March: Not this month | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| MonctonFrom Apr 25Outdoors Apr 25 to Jun 15 | January: Not this month | February: Not this month | March: Not this month | April: Plant under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| LavalFrom Apr 17Outdoors Apr 17 to Jun 7 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| MontréalFrom Apr 21Outdoors Apr 21 to Jun 11 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| OttawaFrom Apr 17Outdoors Apr 17 to Jun 7 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| HalifaxFrom Apr 23Outdoors Apr 23 to Jun 13 | January: Not this month | February: Not this month | March: Not this month | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| MarkhamFrom Apr 14Outdoors Apr 14 to Jun 4 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| VaughanFrom Apr 14Outdoors Apr 14 to Jun 4 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| BramptonFrom Apr 13Outdoors Apr 13 to Jun 3 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| TorontoFrom Apr 11Outdoors Apr 11 to Jun 1 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| MississaugaFrom Apr 11Outdoors Apr 11 to Jun 1 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| KitchenerFrom Apr 16Outdoors Apr 16 to Jun 6 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| HamiltonFrom Apr 9Outdoors Apr 9 to May 30 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| LondonFrom Apr 11Outdoors Apr 11 to Jun 1 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| WindsorFrom Apr 6Outdoors Apr 6 to May 27 | January: Not this month | February: Not this month | March: Plant under cover | April: Plant outdoors and under cover | May: Plant outdoors and under cover | June: Plant under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
Don’t see your town? Find it by name or postcode.
Onions in other countries
When to plant other crops in Canada
Fruiting
Roots
Leaves
Beans and peas
Onion family
Brassicas
Herbs
Fruit
Also searched for
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
