Can You Grow Peas in Zone 4b?
Quick Answer:
✅ Yes — Peas grow excellently here as a cool-season crop — plant in early spring or late summer.
✅ Yes
Peas grows well in Zone 4b
Peas grow excellently here as a cool-season crop — plant in early spring or late summer.
📅 When to Plant in Zone 4b
Direct Sow
Apr 15
Last Sow Date
Aug 6
🌾 Harvest
Jun 9 – Jun 24
Based on Zone 4b's average last frost of mid-April and first frost of mid-October.
🌱 Growing Peas in Zone 4b
Sow directly as soon as soil can be worked in spring — peas tolerate frost. Provide a trellis. Harvest frequently to encourage production. Sow again in late summer for a fall crop.
🪴 Container: 5+ gal pot💧 Hydroponic OK❄️ 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
- Peas Zone Range
- 2a – 9a
- Days to Harvest
- 55–70 days
Frequently Asked Questions
Peas grow excellently here as a cool-season crop — plant in early spring or late summer.
Zone 4b is in USDA Hardiness Zone 4b with approximately 183 frost-free days per year.
Peas grows in USDA Zones 2a–9a.
Peas is beginner-friendly and one of the easier crops to grow.