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Quebec Planting Calendar

Quebec spans USDA hardiness zones 2a, 3a, 3b, 4a, 4b, 5a, 5b. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.

Find Your County

Click any county to see your local planting calendar with exact frost dates and planting windows.

Zones in Quebec

Growing Season Comparison

Frost Dates & Growing Season by County

View all 12 Quebec counties with frost dates
County Zone Last Frost First Frost Growing Days
Arthabaska 5b Apr 24 Oct 8 167
Drummond 5b Apr 24 Oct 8 167
Gatineau 6a Apr 20 Oct 17 180
Haut-Richelieu 6a Apr 20 Oct 17 180
Laval 6b Apr 13 Oct 17 186
Montreal 6b Apr 13 Oct 17 187
Quebec City 5b Apr 25 Oct 9 167
Rimouski 5a May 4 Oct 11 160
Saguenay 4b May 7 Oct 1 147
Sept-Iles 4a May 16 Oct 3 140
Sherbrooke 5b Apr 23 Oct 7 167
Trois-Rivieres 5b Apr 24 Oct 8 167

🥬 Vegetables

Browse all 115 vegetables you can grow in Quebec

🍓 Fruits

Browse all 34 fruits you can grow in Quebec

🌿 Herbs

Browse all 39 herbs you can grow in Quebec

🌸 Flowers

Browse all 54 flowers you can grow in Quebec

Monthly Planting Guide for Quebec

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.