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Alberta Planting Calendar

Alberta spans USDA hardiness zones 3a, 3b, 4a, 4b. 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.

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Find Your County

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

Zones in Alberta

Growing Season Comparison

Frost Dates & Growing Season by County

View all 15 Alberta counties with frost dates
County Zone Last Frost First Frost Growing Days
Athabasca 4a May 21 Oct 8 140
Banff-Jasper 4a May 17 Oct 4 140
Calgary 5a May 7 Oct 14 160
Camrose 4b May 12 Oct 6 147
Drumheller 5a May 7 Oct 14 160
Edmonton 4b May 13 Oct 7 147
Fort McMurray 3b May 27 Oct 1 127
Grande Prairie 4a May 22 Oct 9 140
Lethbridge 5a May 5 Oct 12 160
Medicine Hat 5a May 6 Oct 13 160
Peace River 3b May 26 Sep 30 127
Red Deer 4b May 11 Oct 5 147
Rocky Mountain House 4b May 11 Oct 5 147
Stettler 4b May 11 Oct 5 147
Wetaskiwin 4b May 12 Oct 6 146
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🥬 Vegetables

Browse all 116 vegetables you can grow in Alberta

🍓 Fruits

Browse all 34 fruits you can grow in Alberta

🌿 Herbs

Browse all 42 herbs you can grow in Alberta

Monthly Planting Guide for Alberta

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

Sources & credits

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