Planting dates for Edmonton
Frost dates and sow windows from the 30-year record at Edmonton City Centre Airport, the official station 4 km from Edmonton, Alberta.
Sow and transplant events for the staples, straight from this page.
Key windows for Edmonton (2026)
| Crop | Start indoors | Plant out / sow |
|---|---|---|
| Tomato | March 28 | May 16 |
| Pepper | March 14 | May 23 |
| Peas | – | April 4 |
| Lettuce | March 14 | April 11 |
| Carrot | – | April 18 |
| Bush beans | – | May 16 |
| Garlic (longer than the average season; use short varieties) | – | Fall planted |
| Potato | – | April 25 |
Mean-date planning windows, not guarantees; watch the local forecast at the shoulders. Method on the methodology page.
Edmonton planting questions
When is the last frost in Edmonton?
Around May 9, the 30-year mean date of the last spring frost at Edmonton City Centre Airport, the official station 4 km from Edmonton. Half of years see frost after the mean, so tender crops usually wait a week or more past it.
When can I plant tomatoes in Edmonton?
Start seeds indoors around March 28 and transplant around May 16, once nights hold above 10 C. The full 32-crop table on the planner computes every window for Edmonton.
How long is the growing season in Edmonton?
About 135 frost-free days on average, from roughly May 9 to September 22. Crops whose days-to-maturity exceed that window need transplants, short-season varieties, or season extension.
How this page was made
Every date above is computed from theEnvironment and Climate Change Canada Canadian Climate Normalsat Edmonton City Centre Airport: the 30-year mean dates of last spring and first fall frost, with crop offsets from standard horticultural practice. Full method and crop sources:data and methodology. These are planning averages, not forecasts: half of years frost later than the mean, so harden off transplants and watch the local forecast at the shoulders of the season.
More for Edmonton: winter tire dates. Need every crop, or a different place? The full calendar covers 32 crops at 655 stations.