When to Plant Celery in Zone 4
In USDA zone 4, start seeds indoors around March 20, transplant or plant outdoors May 1 to August 19, and expect your first harvest around August 19.
Celery planting calendar for USDA Zone 4
Start seeds indoors
Mar 20
Transplant outdoors
May 1
Projected first harvest
Aug 19
Most celery mature in about 100 to 110 days depending on the variety. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for celery
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and celery need about 100 to 110 days depending on the variety to mature.
Varieties to grow
2 varieties of celery in the HomeSown library. Tap any for its full grow guide.
Common problems with celery
What to watch for, with identification and treatment for each
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