Can You Grow Stevia in Canadian Zone 9?
Quick Answer:
✅ Yes — Stevia grows as a perennial in your zone — harvest leaves all season for a natural sweetener.
✅ Yes
Stevia grows well in Canadian Zone 9
Stevia grows as a perennial in your zone — harvest leaves all season for a natural sweetener.
📅 When to Plant in Canadian Zone 9
Start Indoors
Jan 1
Transplant Out
Jan 15
Last Sow Date
Sep 26
🌾 Harvest
Mar 16 – Apr 5
Based on Canadian Zone 9's average last frost of mid-January and first frost of mid-December.
🌱 Growing Stevia in Canadian Zone 9
Start from transplants (seeds have low germination). Grow in a pot and overwinter indoors in frost-prone zones. Harvest leaves before the plant flowers — sweetness peaks pre-flower. Dry leaves and crush for sweetener.
🪴 Container: 3+ gal pot🏠 Indoor Viable💧 Hydroponic OK
🗺️ 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
- Stevia Zone Range
- 8a – 11b
- Days to Harvest
- 60–80 days
Frequently Asked Questions
Stevia grows as a perennial in your zone — harvest leaves all season for a natural sweetener.
Canadian Zone 9 is in USDA Hardiness Zone 9 with approximately 334 frost-free days per year.
Stevia grows in USDA Zones 8a–11b.
Stevia needs moderate care and attention to thrive.