DibbleWhen to plant celery 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 celery in Zone 4
| Task | Window |
|---|---|
| Start seeds indoors | Mar 1 to Mar 15 |
| Transplant | May 10 to May 24 |
| Estimated harvest | Sep 7 to Oct 7 |
The harvest estimate counts 120 days to maturity, then a picking window of about 30 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 celery
Start indoors 10 weeks before last frost. Celery is thirsty and slow, keep it consistently moist for tender stalks.
Companion plants
Good neighbors for Celery:
Celery in nearby zones
Keep exploring
Celery: 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.