When to plant potato in Charleston
Potato is cold-hardy, so every date keys off Charleston's frost dates of Apr 16.
Step 1 · Sow
Direct sow outdoors
Apr 2 – Apr 23
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 11 – Jul 31
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Charleston's 186-day season leaves this much room.
Potato 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
HARVEST
APR 16
OCT 21
Common questions
When can I sow potato outdoors in Charleston?
Direct-sow around early April (Apr 2–Apr 23) in Charleston, based on its local frost dates. Confidence 88%.
When will potato be ready to harvest in Charleston?
Expect to harvest from around mid June (Jun 11–Jul 31) in Charleston, based on its local frost dates. Confidence 79%.
How long is the growing season in Charleston?
Charleston has roughly 186 frost-free days, which is enough time to grow potato to maturity outdoors.
The rule of thumb
Sow potato 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.