When to plant peas in Zone 4b
In Zone 4b, direct-sow around March 29 – April 12. For a fall crop, sow around July 1 – July 15.
Your peas timeline — Zone 4b
| Direct-sow | March 29 – April 12 |
|---|---|
| Sow for fall | July 1 – July 15 |
| Zone 4b last frost | ~05/10 |
| Zone 4b first frost | ~09/30 |
Direct-sow as soon as the soil thaws in spring (about 4–6 weeks before the last frost). [src]Cited: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”
Dates computed from Zone 4b's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.
What you'll need
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Last verified 2026-07-16. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”; UGA Extension (days to maturity).