When to Plant Celery in Zone 3
In USDA zone 3a, start seeds indoors around April 4, transplant or plant outdoors May 16 to September 3, and expect your first harvest around September 3. (3a shown here — see 3a and 3b dates separately below.)
Celery planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Start seeds indoors
Apr 4
Transplant outdoors
May 16
Projected first harvest
Sep 3
Most celery mature in about 100 to 110 days depending on the variety, needing roughly 103 frost-free days in zone 3a.
Celery planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Start seeds indoors
Mar 25
Transplant outdoors
May 6
Projected first harvest
Aug 24
Most celery mature in about 100 to 110 days depending on the variety, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.
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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