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When to plant artichoke in Zone 6a
In Zone 6a, start indoors around February 5 – March 5 and transplant around April 23 – May 7.
Your artichoke timeline — Zone 6a
| Start indoors | February 5 – March 5 |
|---|---|
| Transplant | April 23 – May 7 |
| Zone 6a last frost | ~04/30 |
| Zone 6a first frost | ~10/15 |
Start indoors; set out on the frost-free date (the average last frost). [src]Cited: Johnny's Selected Seeds — Seed-Starting Date Calculator chart
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 2026-07-17. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: Johnny's Selected Seeds — Seed-Starting Date Calculator chart.