When to plant dill in Zone 9a
In Zone 9a, direct-sow around February 13 – February 27.
Your dill timeline — Zone 9a
| Direct-sow | February 13 – February 27 |
|---|---|
| Zone 9a last frost | ~03/02 |
| Zone 9a first frost | ~11/25 |
Direct-sow 1–2 weeks before the last frost. Does best direct-sown — the taproot makes transplanting difficult. [src]Cited: University of Illinois Extension — Herb Gardening: Dill
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: Dill.