Can You Grow Turnip in Zone 3b?
Quick Answer:
✅ Yes — Turnips do well here — they prefer cooler weather and actually sweeten after a light frost.
✅ Yes
Turnip grows well in Zone 3b
Turnips do well here — they prefer cooler weather and actually sweeten after a light frost.
📅 When to Plant in Zone 3b
Direct Sow
May 1
Last Sow Date
Aug 2
🌾 Harvest
Jun 15 – Jun 30
Based on Zone 3b's average last frost of early May and first frost of early October.
🌱 Growing Turnip in Zone 3b
Direct sow 4-6 weeks before last frost or in fall 8 weeks before first frost. Thin to 4-6 inches. Harvest roots at 2-3 inches for best flavor — larger roots turn woody. Frost sweetens them.
🪴 Container: 5+ gal pot💧 Hydroponic OK❄️ Frost Tolerant
🗺️ USDA Plant Hardiness Zones
Zone 3 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 3b
- USDA Zone
- 3b
- Last Frost
- early May
- First Frost
- early October
- Frost-Free Days
- 153
- Turnip Zone Range
- 2a – 9b
- Days to Harvest
- 45–60 days
Frequently Asked Questions
Turnips do well here — they prefer cooler weather and actually sweeten after a light frost.
Zone 3b is in USDA Hardiness Zone 3b with approximately 153 frost-free days per year.
Turnip grows in USDA Zones 2a–9b.
Turnip is beginner-friendly and one of the easier crops to grow.