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When to plant celery in Zone 2a
In Zone 2a, start indoors around March 1 – March 15 and transplant around May 17 – May 31.
Your celery timeline — Zone 2a
| Start indoors | March 1 – March 15 |
|---|---|
| Transplant | May 17 – May 31 |
| Zone 2a last frost | ~05/17 |
| Zone 2a first frost | ~09/07 |
Start indoors; set out 1 week after the last frost. [src]Cited: Johnny's Selected Seeds — Seed-Starting Date Calculator chart
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 2026-07-17. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: Johnny's Selected Seeds — Seed-Starting Date Calculator chart.