When should I plant cilantro in Zone 4b?

In Zone 4b (last frost ~05/10), direct-sow cilantro around May 10 – May 24.

When to plant cilantro in Zone 4b

In Zone 4b, direct-sow around May 10 – May 24.

Your cilantro timeline — Zone 4b

Direct-sow	May 10 – May 24
Zone 4b last frost	~05/10
Zone 4b first frost	~09/30

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 4b'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

herb seeds

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Last verified 2026-08-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of Illinois Extension — Herb Gardening: Cilantro.

Cilantro in other zones

Zone 10aCilantro dates Zone 10bCilantro dates Zone 2aCilantro dates Zone 2bCilantro dates Zone 3bCilantro dates Zone 4aCilantro dates Zone 5aCilantro dates Zone 5bCilantro dates

← Everything to plant in Zone 4b