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Quick Answer: ⚠️ Maybe — Grow as a spring crop — sow as early as possible before heat causes bolting.
⚠️ Maybe

Snap Peas is marginal in Zone 1b — possible with effort

Grow as a spring crop — sow as early as possible before heat causes bolting.

How to make it work

  • Use a 5+ gallon container that can be moved indoors before frost
  • Hydroponic systems work well for indoor growing year-round
  • Bring inside before early August

🌱 Growing Snap Peas in Zone 1b

Direct sow as soon as soil can be worked — 6 weeks before last frost. Install a trellis before planting (tall varieties reach 5-6 feet). Pick daily when pods are plump and sweet. Heat stops production — plant a fall crop as well.

🪴 Container: 5+ gal pot💧 Hydroponic OK❄️ Frost Tolerant

🗺️ USDA Plant Hardiness Zones

Zone 1 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map — zones 1 to 13

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 1b
USDA Zone
1b
Last Frost
mid-June
First Frost
early August
Frost-Free Days
47
Snap Peas Zone Range
2a – 9b
Days to Harvest
60–70 days

Frequently Asked Questions

Grow as a spring crop — sow as early as possible before heat causes bolting.
Zone 1b is in USDA Hardiness Zone 1b with approximately 47 frost-free days per year.
Snap Peas grows in USDA Zones 2a–9b.
Snap Peas is beginner-friendly and one of the easier crops to grow.