When to plant dill in Zone 3b
In Zone 3b, direct-sow around May 3 – May 17.
Your dill timeline — Zone 3b
| Direct-sow | May 3 – May 17 |
|---|---|
| Zone 3b last frost | ~05/20 |
| Zone 3b first frost | ~09/19 |
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 3b'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
Affiliate links — as an Amazon Associate we may earn from qualifying purchases, at no extra cost to you.
Last verified 2026-07-17. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of Illinois Extension — Herb Gardening: Dill.