Carrot is grown for its root, ready to pull about 70 days after sowing. It's hardy across USDA zones 2 through 11. Its summer flowers are a moderate draw for honeybees, native bees, and butterflies, even though the root 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
4.2-8.7
Sun
Full Sun
Days to Maturity
70
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What Carrot is
Carrot reaches around a foot at maturity. It blooms white in summer.
How to grow Carrot
Carrot grows in USDA zones 2 through 11 and is ready to harvest about 70 days after planting. Carrot does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.2 to 8.7, on well-drained ground. It needs around 1,100 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
4.2 - 8.7
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
37.4°F
plant_species_v5.csv
Days to Maturity
70 days
Direct seed; cool soils delay germination — wait until 50°F.
UMass-Veg; Cornell
GDD Required
1100+
plant_species_v5.csv
Mature Height
1 ft
plant_species_v5.csv
Frost-Free Days
40+
plant_species_v5.csv
Sow directly
Sow carrot seed straight into the bed — root crops germinate fast and resent transplanting. Give them full sun.
Match the soil
Carrot prefers pH 4.2 to 8.7 (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
Carrot is ready about 70 days after sowing (UMass-Veg; Cornell). Pull while roots are young and tender — sweeter than oversized ones.
Good to know
Good news for pet owners — carrot isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Carrot offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Carrot thrives
On hardiness alone, carrot 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 Carrot growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Carrot can grow in these states:
See if Carrot will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether carrot 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 Carrot in my zone?
Carrot 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 Carrot take to grow?
Carrot is ready to harvest about 70 days after planting (UMass-Veg; Cornell). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Carrot?
Most growers plant carrot 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 Carrot need?
Carrot needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Carrot need?
Carrot prefers soil pH 4.2 to 8.7, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Carrot attract pollinators?
Yes — carrot's flowers are a solid nectar source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Carrot safe for pets?
Carrot is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.