Planting timing
When to plant carrots
Plant carrots on the cited sheets — not on a national calendar month. Regional dates stay source-specific.
Growing guidance is general information. Timing, spacing, and care depend on cultivar, weather, soil, and local conditions. Check the sources and adjust the plan for your garden.
Dates and soil notes stay on the named cards below — not one planting window.
Sow on the cited sheet. Spacing lives on the carrots hub.
Types and spacing live on growing carrots.
What the sources say — at a glance
One source per card. Facts are not averaged.
Clemson HGIC 1305 (South Carolina)
Cool-season 60–65 °F. Germ 55–75 °F; none above 95 °F. Plant early enough in spring. Piedmont Mar 1–15 / Jul 1–30; Central Feb 10–28 / Aug 1–15; Coastal Dec 15–Jan 30 / Aug 1–20.
Details and limits (4)
Timing
Clemson HGIC 1305 (South Carolina): carrots are cool-season plants that grow best at average temperatures between 60 and 65 °F. The optimum soil temperature for seed germination is 55 to 75 °F. Seeds will not germinate above 95 °F. Timing on their sheet — not a national plant date.
Regions
Clemson HGIC 1305 (South Carolina): spring and fall planting dates on their sheet — Piedmont March 1 to 15 and July 1 to 30; Central February 10 to 28 and August 1 to 15; Coastal December 15 to January 30 and August 1 to 20. South Carolina gardening regions — not a national plant date.
Timing
Clemson HGIC 1305 (South Carolina): plant carrots early enough in the spring. Clemson timing on their sheet — not a national plant date.
Limit
South Carolina HGIC 1305. Soil temps and Piedmont/Central/Coastal dates stay on this sheet. Not a ZIP calendar.
Maryland Extension (Maryland)
Semi-hardy. Soil ≥45 °F. Spring and fall; fall 10–12 weeks before frost. DTM 65–75. Source range — not how long yours takes.
Details and limits (3)
Timing
Maryland Extension (Maryland): semi-hardy. Direct seed when the soil temperature has reached at least 45 °F. Best planted in the spring and fall. For a fall crop, plant 10 to 12 weeks before the first frost. Maryland’s attributed hardiness wording — not a planting-safety promise. Timing on their sheet — not a national plant date.
Maturity
Maryland Extension (Maryland): days to maturity 65 to 75 from seed. Source range — not how long yours takes.
Limit
Maryland carrot garden page. Frost wording and 65–75 days stay Maryland. Not a ZIP calendar.
UMN Extension (Minnesota)
Direct seed only; never pots. Minnesota from April 15. Germ up to 3 weeks. Two or three plantings, three weeks apart.
Details and limits (3)
Timing
UMN Extension (Minnesota): always plant seeds directly into the garden. Never start them in pots. In Minnesota, start planting carrots beginning April 15. The seeds may take as long as three weeks to germinate. Minnesota timing — not a national plant date.
Succession
UMN Extension (Minnesota): make two or three plantings spaced three weeks apart. Minnesota succession — not a BioArva calendar.
Limit
Minnesota carrot sheet. April 15 and three-week plantings stay Minnesota. Not a ZIP calendar.
Illinois Extension (Illinois)
As soon as soil can be worked in spring; sandy earlier. Illinois — not a national date.
Details and limits (2)
Timing
Illinois Extension (Illinois): usually planted with other frost-tolerant vegetables as soon as the soil can be worked in the spring. They may be planted earlier in gardens with sandy soil. Illinois timing — not a national plant date.
Limit
Illinois carrot page. Worked-soil timing stays Illinois. Not a ZIP calendar.
Sources differ
Make it yours
Save the bed in the Field Book so next season is not a guess.
Verified suppliers only
No supplier on this page
When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.
When do you plant carrots?
Compare timing on the cited sheets. Clemson HGIC 1305 (South Carolina): germ 55 to 75 °F; Piedmont, Central, and Coastal dates on that sheet. Maryland: soil at least 45 °F; spring and fall. Minnesota: beginning April 15. Illinois: as soon as the soil can be worked.
How many days to maturity?
Maryland Extension lists 65 to 75 days from seed. Source range — not how long yours takes.
What to record in the Field Book
Save the bed with the crop and the date. You may add a photo and notes. Compare entries you have recorded with each other — not with a diagnosis from this page. If you want an identification, bring the record to local Extension.
How we know — methodology. Ranges and assertions are cited per source, not blended.