Can You Grow French Tarragon in Canadian Zone 7?
French Tarragon grows well in Canadian Zone 7
French tarragon thrives as a perennial in your zone — plant once and harvest for years.
📅 When to Plant in Canadian Zone 7
Based on Canadian Zone 7's average last frost of mid-March and first frost of mid-November — frost can arrive earlier or later in any given year, so check your local forecast before you transplant.
🌱 Growing French Tarragon in Canadian Zone 7
Buy transplants (true French tarragon does not grow true from seed — Russian tarragon is inferior). Plant in well-drained soil — root rot is the main killer. Divide every 3-4 years to maintain vigor. Cut back to 2 inches in fall.
🗺️ 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 7
- USDA Zone
- 7
- Last Frost
- mid-March
- First Frost
- mid-November
- Frost-Free Days
- 244
- French Tarragon Zone Range
- 3a – 9b
- Days to Harvest
- 60–90 days