DibbleWhen to plant cilantro in Zone 4
In Zone 4, the last spring frost usually passes around May 10 and the first fall frost arrives around September 21, leaving about 134 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Cool climate with a brief warm window. Indoor starts and season extension help.
Planting windows for cilantro in Zone 4
| Task | Window |
|---|---|
| Direct sow | Apr 26 to May 10 |
| Estimated harvest | Jun 15 to Jul 6 |
The harvest estimate counts 50 days to maturity, then a picking window of about 21 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.
Get reminders for these exact dates
Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.
How to grow cilantro
Sow cilantro 2 weeks before last frost. It bolts fast in heat, so sow every 3 weeks for a steady supply.
Companion plants
Good neighbors for Cilantro:
Better kept apart:
Cilantro in nearby zones
Keep exploring
Cilantro: the full growing guide · The Zone 4 planting calendar · Every crop and zone
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.
Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.