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When to plant artichoke in Zone 5b
In Zone 5b, start indoors around February 9 – March 9 and transplant around April 27 – May 11.
Your artichoke timeline — Zone 5b
| Start indoors | February 9 – March 9 |
|---|---|
| Transplant | April 27 – May 11 |
| Zone 5b last frost | ~05/04 |
| Zone 5b first frost | ~10/08 |
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 5b'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.