Quebec · Growing Zone 0b
Gardeners in Kuujjuaq, QC can expect the average last spring frost around July 29, and the first fall frost around August 8, based on historical Environment Canada frost data for the area. That gives Kuujjuaq a frost-free growing season of roughly 10 days. Actual frost dates shift by a week or two year to year, so use this as a planning baseline rather than an exact guarantee, and always check your local forecast before moving tender plants outside.
You have your Kuujjuaq frost dates. Now put them to work: GrowBlock counts back your indoor seed-starting weeks, marks your safe planting day, warns you before a frost, and lays your whole season out on one timeline.
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Most warm-season crops (tomatoes, peppers, squash) need transplanting only after the last frost has passed, and are usually started indoors 6 to 8 weeks before that date. Cold-hardy crops (peas, lettuce, spinach) can often go in the ground a few weeks before the last frost. As Kuujjuaq's first fall frost approaches in August, it's time to plan the last harvests for anything frost-sensitive still in the ground.
Approximate dates for common crops in Kuujjuaq, worked out from the local last frost around July 29. Warm crops go out after frost, cold-hardy crops a few weeks before it, and anything with an indoor start is counted back from its sow date.
| Crop | Start indoors | Sow / transplant out | Approx. harvest |
|---|---|---|---|
| 🍅 Tomato | June 24 | August 12 | October 31 |
| 🌶️ Pepper | June 10 | August 12 | October 26 |
| 🥒 Cucumber | — | August 5 | October 2 |
| 🥬 Zucchini | — | August 5 | September 24 |
| 🥬 Lettuce | — | July 8 | August 22 |
| 🥬 Spinach | — | July 8 | August 25 |
| 🫛 Peas | — | July 8 | September 8 |
| 🥕 Carrots | — | July 8 | September 14 |
| 🫘 Bush beans | — | July 29 | September 17 |
| 🥬 Kale | June 10 | July 8 | September 1 |
Guideline dates from Kuujjuaq's average frost window, not a guarantee. GrowBlock tunes these to each variety you plant and adjusts as you build your beds.
This calendar is a starting point. In GrowBlock every date is tuned to the exact varieties you plant and updates as you lay out your beds, and you can share the plan with whoever you garden with, changes show up for both of you.
Build your Kuujjuaq garden planAround July 29 on average, though it can vary by a week or two either way depending on the year.
Kuujjuaq is in zone 0b, with a frost-free season of about 10 days.
Now that you have your dates, here is how to put them to work through the season:
More how-to on the GrowBlock gardening blog.
See frost dates for all Canadian cities covered by GrowBlock.