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When to plant cabbage in Zone 4a
Your cabbage timeline — Zone 4a
| Start indoors | March 5 – March 19 |
|---|---|
| Transplant | April 9 – April 23 |
| Sow for fall | May 9 – May 23 |
| Zone 4a last frost | ~05/14 |
| Zone 4a first frost | ~09/27 |
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 2026-08-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”; University of Georgia Extension — Vegetable Planting Chart (Circular C963) (days to maturity).