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When to plant cabbage in Zone 6a
In Zone 6a, start indoors around February 19 – March 5 and transplant around March 26 – April 9. For a fall crop, sow around May 27 – June 10.
Your cabbage timeline — Zone 6a
| Start indoors | February 19 – March 5 |
|---|---|
| Transplant | March 26 – April 9 |
| Sow for fall | May 27 – June 10 |
| Zone 6a last frost | ~04/30 |
| Zone 6a first frost | ~10/15 |
Start indoors; set out 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 6a'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).