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What Can Grow in Canadian Zone 1?

Growing Zone Zone 1
Frost-Free Days 61
Last Frost mid-June
First Frost mid-August

Severe subarctic climate. A very short frost-free window of about 2 months. Fast-maturing cool-season crops are the only reliable option.

Find your exact zone:

📅 Planting Calendar for Canadian Zone 1

When to start seeds indoors and transplant outdoors, based on your frost dates.

Plant Start Indoors Transplant Out Direct Sow Harvest
🥬 Cabbage May 4 Jun 15 — Aug 24 – Oct 13
🌱 Microgreens — — Jun 15 Jun 22 – Jul 6

Dates are averages based on Zone 1 frost dates (last frost: mid-June, first frost: mid-August). Adjust for your specific microclimate.

🥦 Vegetables

⚠️ Worth Trying (Marginal)

These plants are outside the ideal zone range but possible with the right approach.

🗺️ Canadian Plant Hardiness Zones

Zone 1 is shown in this colour on the map below
Canadian Plant Hardiness Zone Map — zones 0 to 9

Canadian Plant Hardiness Zone Map (2014) — Agriculture & Agri-Food Canada / Canadian Forest Service

0 1 2 3 4 5 6 7 8 9

Canadian zones run 0–9 (coldest to warmest) — a separate system from USDA zones. Browse all Canadian zones →

Browse Related Zones

Canadian Zone 0 Canadian Zone 1 Canadian Zone 2 Canadian Zone 3 Canadian Zone 4 Canadian Zone 5 Canadian Zone 6 Canadian Zone 7 Canadian Zone 8

Frequently Asked Questions

Severe subarctic climate. A very short frost-free window of about 2 months. Fast-maturing cool-season crops are the only reliable option. Vegetables like Cabbage, Microgreens all grow well here.
The growing season is short — roughly 61 days. Focus on fast-maturing varieties and start seeds indoors as early as possible.
Top vegetables for Canadian Zone 1: Cabbage, Microgreens.
Most common herbs grow well in Zone 1.