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Find Your Hardiness Zone & Frost Dates

Click your province on the map to see frost dates, zones, and growing season length for cities near you. See also Growing Season Length Canada — 36 cities ranked.

BC AB SK MB ON QC NB NS PE NL Northern Territories
Zone 7–9 (mild) Zone 4–6 Zone 3 Zone 5 (Atlantic)

Click a province above to see frost dates, hardiness zones, and growing season length for cities in that region.

City Zone Last Frost First Frost Season

Tap your city for its full planting guide — what to sow, transplant dates, and a month-by-month calendar. Frost dates are averages; actual dates vary year to year, so add 1–2 weeks of buffer before transplanting frost-sensitive crops.

Province Hardiness-Zone Guides

Prefer a full written breakdown? These guides list every zone by city and region, with frost dates and how Canadian zones differ from U.S. (USDA) zones.

British Columbia Hardiness Zones › Alberta Hardiness Zones › Ontario Hardiness Zones ›

Now find out what to plant this week

Knowing your zone is step one. See exactly what to start indoors, direct sow, and transplant right now — based on your city's frost dates.

🌱 What to Plant Now ❄️ Frost Date Calculator 🌱 Seed Starting Calculator
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Companion sites: harvestguide.ca — a dedicated reference for harvest timing, picking, and storage (in early development).