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When to plant turnips in Zone 4a
In Zone 4a, direct-sow around April 16 – April 30. For a fall crop, sow around July 8 – July 22.
Your turnips timeline — Zone 4a
| Direct-sow | April 16 – April 30 |
|---|---|
| Sow for fall | July 8 – July 22 |
| Zone 4a last frost | ~05/14 |
| Zone 4a first frost | ~09/27 |
Direct-sow 2–4 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 4a'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).