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When to plant asparagus in Zone 10a
In Zone 10a, direct-sow around December 15 – December 29.
Your asparagus timeline — Zone 10a
| Direct-sow | December 15 – December 29 |
|---|---|
| Zone 10a last frost | ~01/15 |
| Zone 10a first frost | ~12/02 |
Plant crowns about 3–4 weeks before the average last frost. [src]Cited: Johnny's Selected Seeds — Asparagus Key Growing Information
Dates computed from Zone 10a'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 — Asparagus Key Growing Information.