DibbleWhen to plant celery in Zone 6
In Zone 6, the last spring frost usually passes around April 21 and the first fall frost arrives around October 17, leaving about 179 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Generous season. Spring and fall plantings both productive.
Planting windows for celery in Zone 6
| Task | Window |
|---|---|
| Start seeds indoors | Feb 10 to Feb 24 |
| Transplant | Apr 21 to May 5 |
| Estimated harvest | Aug 19 to Sep 18 |
The harvest estimate counts 120 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.
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Celery in a Zone 6 season
Zone 6 gives about 179 frost-free days. Celery needs roughly 120 days from transplant. That leaves about 59 days of slack, enough for one full crop with a little room for a cold spring.
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 other zones
Not in Zone 6? Pick your zone for the same dated windows.
Keep exploring
Celery: the full growing guide · The Zone 6 planting calendar · Every crop and zone
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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.