Can You Grow French Tarragon in Zone 4b?
Quick Answer:
✅ Yes — French tarragon thrives as a perennial in your zone — plant once and harvest for years.
✅ Yes
French Tarragon grows well in Zone 4b
French tarragon thrives as a perennial in your zone — plant once and harvest for years.
📅 When to Plant in Zone 4b
Direct Sow
Apr 15
Last Sow Date
Jul 17
🌾 Harvest
Jun 14 – Jul 14
Based on Zone 4b's average last frost of mid-April and first frost of mid-October.
🌱 Growing French Tarragon in Zone 4b
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.
🪴 Container: 3+ gal pot❄️ Frost Tolerant
🗺️ USDA Plant Hardiness Zones
Zone 4 is shown in
this colour
on the map below
2023 USDA Plant Hardiness Zone Map — public domain. USDA Agricultural Research Service
USDA zones run 1a–13b (26 half-zones). Each full zone above covers both the a and b half-zones. Browse all US zones →
Technical climate details for Zone 4b
- USDA Zone
- 4b
- Last Frost
- mid-April
- First Frost
- mid-October
- Frost-Free Days
- 183
- French Tarragon Zone Range
- 3a – 9b
- Days to Harvest
- 60–90 days
Frequently Asked Questions
French tarragon thrives as a perennial in your zone — plant once and harvest for years.
Zone 4b is in USDA Hardiness Zone 4b with approximately 183 frost-free days per year.
French Tarragon grows in USDA Zones 3a–9b.
French Tarragon needs moderate care and attention to thrive.