Celery is grown for the harvest, ready about 110 days after sowing. It's hardy across USDA zones 2 through 11 and grows just as well in a container as in the ground. Its flowers are a moderate draw for honeybees and native bees, even though the harvest is the prize. As a member of the carrot family, give it a fresh bed each year — away from where its relatives just grew — so the soil-borne pests and diseases of the family never get a foothold.
Zones
2-11
pH Range
5.5-7.5
Sun
Part Sun
Days to Maturity
110
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What Celery is
Celery reaches around two feet at maturity. It's also well suited to containers.
How to grow Celery
Celery grows in USDA zones 2 through 11 and is ready to harvest about 110 days after planting. Celery does best in part sun — at least 4 hours of direct sun a day — and soil from pH 5.5 to 7.5, on evenly moist to well-drained ground. It needs around 1,700 growing degree days to mature and a growing season of at least 40 frost-free days, which is why climate matters as much as soil.
USDA Zones
2-11
USDA PHZM 2023
Soil pH
5.5 - 7.5
USDA PLANTS Database
Sun
Part Sun
plant_species_v5.csv
Drainage
poorly (saturated >50% of year), well (dry spells)
plant_species_v5.csv
Frost Tolerance
41°F
plant_species_v5.csv
Days to Maturity
110 days
Celery; from transplant. Long indoor start; cold-sensitive.
Cornell; UMass-Veg
GDD Required
1700+
plant_species_v5.csv
Mature Height
2 ft
plant_species_v5.csv
Frost-Free Days
40+
plant_species_v5.csv
Start the season right
Plant celery in part sun with at least 4 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Celery prefers pH 5.5 to 7.5 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Celery is ready about 110 days after sowing (Cornell; UMass-Veg). Watch for cultivar-specific ripeness cues and pick at peak.
Good to know
Good news for pet owners — celery isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Celery offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Celery thrives
On hardiness alone, celery grows across most of the country — its range (USDA zones 2 through 11) is unusually wide. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 2–11·Where Celery growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Celery can grow in these states:
See if Celery will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether celery actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Celery in my zone?
Celery grows in USDA hardiness zones 2 through 11 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
How long does Celery take to grow?
Celery is ready to harvest about 110 days after planting (Cornell; UMass-Veg). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Celery?
Most growers plant celery after the last spring frost, once the soil has warmed, leaving enough of the season for its 40-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Celery need?
Celery does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Celery need?
Celery prefers soil pH 5.5 to 7.5, on evenly moist to well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Celery attract pollinators?
Yes — celery's flowers are a solid nectar source for honeybees and native bees (Xerces Society, Pollinator Partnership).
Is Celery safe for pets?
Celery is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.