When to plant carrot in Charleston
Carrot is cold-hardy, so every date keys off Charleston's frost dates of Apr 16.
Step 1 · Sow
Direct sow outdoors
Mar 26 – Apr 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 25 – Jun 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jun 30 – Jul 14
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 5 – Sep 25
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Charleston's 186-day season leaves this much room.
Carrot on Charleston's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FROST
APR 16
OCT 21
Common questions
When can I sow carrot outdoors in Charleston?
Direct-sow around late March (Mar 26–Apr 16) in Charleston, based on its local frost dates. Confidence 88%.
When will carrot be ready to harvest in Charleston?
Expect to harvest from around late May (May 25–Jun 14) in Charleston, based on its local frost dates. Confidence 79%.
Can I plant carrot in autumn in Charleston?
Yes — Charleston supports a second, autumn sowing of carrot around late June (Jun 30–Jul 14), timed to mature before the first fall frost.
How long is the growing season in Charleston?
Charleston has roughly 186 frost-free days, which is enough time to grow carrot to maturity outdoors.
The rule of thumb
Sow carrot as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Charleston's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.