When to plant bush (snap) bean in Charleston
Bush (snap) bean is frost-tender, so every date keys off Charleston's last spring frost of Apr 16.
Step 1 · Sow
Direct sow outdoors
May 11 – Jun 1
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 30 – Jul 10
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Charleston's 186-day season leaves this much room.
Bush (snap) bean 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 bush (snap) bean outdoors in Charleston?
Direct-sow around mid May (May 11–Jun 1) in Charleston, based on its local frost dates. Confidence 88%.
When will bush (snap) bean be ready to harvest in Charleston?
Expect to harvest from around late June (Jun 30–Jul 10) 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 bush (snap) bean to maturity outdoors.
The rule of thumb
Sow bush (snap) bean 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.