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When to plant swiss chard in Zone 2a
In Zone 2a, direct-sow or transplant around April 26 – May 10. For a fall crop, sow around June 18 – July 2.
Your swiss chard timeline — Zone 2a
| Start indoors | March 22 – March 29 |
|---|---|
| Transplant | April 26 – May 10 |
| Sow for fall | June 18 – July 2 |
| Zone 2a last frost | ~05/17 |
| Zone 2a first frost | ~09/07 |
Start indoors or direct-sow; set out / sow 2 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 2a'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).