In the garden now (2 November 2026)
Winnipeg planting calendar
Bars show when each crop can go in and when a planting from that window is ready. The blue band is the frost season, from the average first autumn frost to the average last spring frost. Hover or tap a crop for details.
Sow indoorsSow or plant outdoorsHarvestFrost seasonToday
Swipe sideways to see the whole year →
Dates by crop
| Crop | Sow indoors | Sow / plant outdoors | Harvest |
|---|---|---|---|
| Tomato | Apr 9 – May 14 | Jun 4 – Jul 7 plant out | Aug 7 – Sep 21 |
| Pepper | Apr 5 – May 8 | Jun 14 – Jul 3 plant out | Aug 17 – Sep 21 |
| Eggplant (aubergine) | Apr 11 – May 3 | Jun 20 – Jun 28 plant out | Aug 28 – Sep 21 |
| Cucumber | May 12 – Jun 8 | Jun 9 – Jul 19 sow | Jul 29 – Sep 21 |
| Zucchini (courgette) | May 7 – Jun 3 | Jun 4 – Jul 23 sow | Jul 22 – Sep 21 |
| Pumpkin and winter squash | May 7 – May 21 | Jun 4 – Jun 11 sow | Sep 6 – Sep 21 |
| Watermelon | May 23 – Jun 3 | Jun 20 – Jun 24 sow | Sep 3 – Sep 21 |
| Sweet corn | – | May 31 – Jul 2 sow | Aug 13 – Sep 21 |
| Green beans | – | Jun 4 – Jul 19 sow | Jul 26 – Sep 21 |
| Peas | – | Apr 27 – May 11, Jul 21 – Aug 2 sow | Jul 5 – Aug 5, Sep 9 – Sep 29 |
| Lettuce | Mar 22 – Apr 19 | Apr 26 – Jun 5, Jul 14 – Aug 14 sow | Jun 24 – Aug 10, Aug 20 – Oct 2 |
| Spinach | – | Apr 20 – May 29, Aug 14 – Aug 21 sow | Jun 19 – Aug 1, Sep 23 – Oct 22 |
| Kale | Mar 13 – Apr 17 | Apr 24 – Aug 10 sow | Jul 1 – Nov 6 |
| Cabbage | Mar 13 – Apr 17 | May 1 – Jul 30 plant out | Jul 13 – Oct 13 |
| Broccoli | Mar 15 – Apr 19 | May 3 – Aug 4 plant out | Jul 6 – Oct 6 |
| Carrots | – | May 3 – Aug 3 sow | Jul 10 – Nov 6 |
| Beets (beetroot) | – | May 3 – Aug 10 sow | Jul 3 – Oct 13 |
| Radishes | – | Apr 24 – Jun 20, Jul 27 – Sep 1 sow | Jun 5 – Jul 24, Aug 17 – Oct 6 |
| Onions | Feb 16 – Mar 23 | Apr 27 – Jul 4 plant out | Jul 30 – Sep 22 |
| Garlic | – | Sep 16 – Oct 6 sow | Jun 23 – Jul 13 |
| Potatoes | – | May 10 – Jul 7 sow | Jul 31 – Sep 22 |
| Swiss chard | – | May 10 – Aug 13 sow | Jul 1 – Oct 13 |
| Basil | May 3 – May 31 | Jun 14 – Aug 7 plant out | Jul 12 – Sep 21 |
| Cilantro (coriander) | – | May 3 – Jun 12, Jul 19 – Aug 23 sow | Jun 18 – Aug 8, Aug 18 – Oct 6 |
| Parsley | Mar 10 – Apr 14 | May 5 – Jul 30 sow | Jul 14 – Oct 22 |
Dates are for a typical year and the middle of the window is the safest. Sow a little at a time across a window rather than all at once. Cold snaps, heat waves, frost pockets and city warmth all shift the real dates; watch the forecast.
Frost dates in Winnipeg
- Average last spring frost
- May 24
- Late frost (1 year in 10)
- June 9 approx.
- Average first autumn frost
- September 22
- Early frost (1 year in 10)
- September 8 approx.
- Frost-free growing season
- 120 days
“Average” is the date with an even chance of a later (spring) or earlier (autumn) frost: a night at or below 0 °C (32 °F) at screen height. Tender crops go out a week or two after the spring date, which brings the risk down to about one year in ten.
Source: ECCC 1981–2010 normals, Winnipeg Richardson Int'l A.
Climate at a glance
- Hardiness zone
- 3b estimate
- Average coldest winter night
- -37°C-35°F
- Warmest month
- July, highs 27°C81°F
- Coldest month
- January, lows -21°C-6°F
- Crops with an outdoor window
- 25 of 25
The zone follows the USDA scheme: bands of the average lowest temperature of the year, 10 °F wide, split into a and b halves. Estimated from monthly climate normals; about one city in ten we checked comes out a full half-zone off. It tells you which perennials survive winter, not when to sow.
Temperature and rain by month
Average highAverage lowRainFreezing point
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | -11°C12°F | -21°C-6°F | -16°C3°F | 19 mm0.7 in |
| February | -8°C18°F | -19°C-2°F | -14°C8°F | 14 mm0.6 in |
| March | 0°C31°F | -11°C12°F | -6°C22°F | 28 mm1.1 in |
| April | 10°C49°F | -2°C28°F | 4°C39°F | 32 mm1.3 in |
| May | 18°C64°F | 5°C41°F | 11°C52°F | 83 mm3.3 in |
| June | 24°C75°F | 12°C53°F | 18°C64°F | 110 mm4.3 in |
| July | 27°C81°F | 15°C59°F | 21°C70°F | 94 mm3.7 in |
| August | 26°C80°F | 13°C56°F | 20°C68°F | 83 mm3.3 in |
| September | 20°C68°F | 8°C46°F | 14°C57°F | 67 mm2.6 in |
| October | 10°C51°F | 1°C33°F | 6°C42°F | 44 mm1.7 in |
| November | 1°C33°F | -7°C19°F | -3°C26°F | 29 mm1.1 in |
| December | -8°C18°F | -16°C2°F | -12°C10°F | 24 mm0.9 in |
Monthly averages 1991–2020 from TerraClimate (about 4 km grid).