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When to plant asparagus in Zone 9b
Your asparagus timeline — Zone 9b
| Direct-sow | January 2 – January 16 |
|---|---|
| Zone 9b last frost | ~02/02 |
| Zone 9b first frost | ~12/08 |
Dates computed from Zone 9b'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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Garden forkTruper 4-tine spading forkLoosens soil and lifts roots and tubers without slicing them the way a spade does.See it on Amazon- CompostBlue Ribbon Organics OMRI compostWorked into the bed before planting, it feeds the crop and helps the soil hold water.See it on Amazon
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Calendar computed 2026-09-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: Johnny's Selected Seeds — Asparagus Key Growing Information.