Can You Grow Bok Choy in Canadian Zone 9?
Quick Answer:
✅ Yes — Bok choy grows reliably in your zone — it loves cool weather and handles light frosts.
✅ Yes
Bok Choy grows well in Canadian Zone 9
Bok choy grows reliably in your zone — it loves cool weather and handles light frosts.
📅 When to Plant in Canadian Zone 9
Start Indoors
Jan 1
Transplant Out
Jan 15
Last Sow Date
Oct 16
🌾 Harvest
Mar 1 – Mar 16
Based on Canadian Zone 9's average last frost of mid-January and first frost of mid-December.
🌱 Growing Bok Choy in Canadian Zone 9
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.
🪴 Container: 5+ gal pot🏠 Indoor Viable💧 Hydroponic OK❄️ Frost Tolerant
🗺️ Canadian Plant Hardiness Zones
Zone 9 is shown in
this colour
on the map below
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 9
- USDA Zone
- 9
- Last Frost
- mid-January
- First Frost
- mid-December
- Frost-Free Days
- 334
- Bok Choy Zone Range
- 4a – 9b
- Days to Harvest
- 45–60 days
Frequently Asked Questions
Bok choy grows reliably in your zone — it loves cool weather and handles light frosts.
Canadian Zone 9 is in USDA Hardiness Zone 9 with approximately 334 frost-free days per year.
Bok Choy grows in USDA Zones 4a–9b.
Bok Choy is beginner-friendly and one of the easier crops to grow.