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When to plant cabbage in Zone 6b
In Zone 6b, start indoors around February 12 – February 26 and transplant around March 19 – April 2. For a fall crop, sow around June 1 – June 15.
Your cabbage timeline — Zone 6b
| Start indoors | February 12 – February 26 |
|---|---|
| Transplant | March 19 – April 2 |
| Sow for fall | June 1 – June 15 |
| Zone 6b last frost | ~04/23 |
| Zone 6b first frost | ~10/20 |
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 6b'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).