Can You Grow Kale in Canadian Zone 9?
Quick Answer:
✅ Yes — Kale grows exceptionally well here — it is one of the most cold-tolerant vegetables available.
✅ Yes
Kale grows well in Canadian Zone 9
Kale grows exceptionally well here — it is one of the most cold-tolerant vegetables available.
📅 When to Plant in Canadian Zone 9
Start Indoors
Jan 1
Transplant Out
Jan 15
Last Sow Date
Oct 1
🌾 Harvest
Mar 11 – Mar 31
Based on Canadian Zone 9's average last frost of mid-January and first frost of mid-December.
🌱 Growing Kale in Canadian Zone 9
Sow indoors 4-6 weeks before last frost or direct sow in late summer for fall harvest. Harvest outer leaves to keep the plant producing. Cold-hardy varieties survive winter in Zone 7+.
🪴 Container: 3+ 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
- Kale Zone Range
- 2a – 9b
- Days to Harvest
- 55–75 days
Frequently Asked Questions
Kale grows exceptionally well here — it is one of the most cold-tolerant vegetables available.
Canadian Zone 9 is in USDA Hardiness Zone 9 with approximately 334 frost-free days per year.
Kale grows in USDA Zones 2a–9b.
Kale is beginner-friendly and one of the easier crops to grow.