Can You Grow Celeriac in Canadian Zone 9?
Quick Answer:
✅ Yes — Celeriac can work in your zone with an early indoor start — it needs all the growing season you have.
✅ Yes
Celeriac grows well in Canadian Zone 9
Celeriac can work in your zone with an early indoor start — it needs all the growing season you have.
📅 When to Plant in Canadian Zone 9
Start Indoors
Jan 1
Transplant Out
Jan 15
Last Sow Date
Aug 17
🌾 Harvest
May 5 – May 15
Based on Canadian Zone 9's average last frost of mid-January and first frost of mid-December.
🌱 Growing Celeriac in Canadian Zone 9
Start indoors 10-12 weeks before last frost — one of the earliest indoor starts of the season. Transplant after all frost risk. Keep consistently moist. Trim side roots as bulb develops. Harvest before hard freeze.
❄️ 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
- Celeriac Zone Range
- 3a – 9b
- Days to Harvest
- 110–120 days
Frequently Asked Questions
Celeriac can work in your zone with an early indoor start — it needs all the growing season you have.
Canadian Zone 9 is in USDA Hardiness Zone 9 with approximately 334 frost-free days per year.
Celeriac grows in USDA Zones 3a–9b.
Celeriac is a challenging crop best suited to experienced growers.