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When to plant cilantro in Zone 9a
In Zone 9a, direct-sow around March 2 – March 16.
Your cilantro timeline — Zone 9a
| Direct-sow | March 2 – March 16 |
|---|---|
| Zone 9a last frost | ~03/02 |
| Zone 9a first frost | ~11/25 |
Direct-sow in the garden after danger of frost is past. Difficult to transplant because of its taproot. [src]Cited: University of Illinois Extension — Herb Gardening: Cilantro
Dates computed from Zone 9a'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: University of Illinois Extension — Herb Gardening: Cilantro.