Can You Grow Bok Choy in Canadian Zone 5?
Bok Choy grows well in Canadian Zone 5
Bok choy grows reliably in your zone — it loves cool weather and handles light frosts.
📅 When to Plant in Canadian Zone 5
Based on Canadian Zone 5's average last frost of mid-April and first frost of mid-October — frost can arrive earlier or later in any given year, so check your local forecast before you transplant.
🌱 Growing Bok Choy in Canadian Zone 5
Start indoors 4-6 weeks before last frost or direct sow in fall. Harvest outer leaves continuously or cut the whole head at 2 inches above soil for regrowth. Keep moist — dry conditions trigger bolting.
🗺️ Canadian Plant Hardiness Zones
Canadian Plant Hardiness Zone Map (2014) — Agriculture & Agri-Food Canada / Canadian Forest Service
Canadian zones run 0–9 (coldest to warmest) — a separate system from USDA zones. Browse all Canadian zones →
Technical climate details for Canadian Zone 5
- USDA Zone
- 5
- Last Frost
- mid-April
- First Frost
- mid-October
- Frost-Free Days
- 182
- Bok Choy Zone Range
- 4a – 9b
- Days to Harvest
- 45–60 days