When to plant bush (snap) bean in Columbia
Bush (snap) bean is frost-tender, so every date keys off Columbia's last spring frost of Mar 11.
Step 1 · Sow
Direct sow outdoors
Apr 7 – Apr 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 27 – Jun 6
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Columbia's 248-day season leaves this much room.
Bush (snap) bean on Columbia'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
MAR 11
NOV 17
Common questions
When can I sow bush (snap) bean outdoors in Columbia?
Direct-sow around early April (Apr 7–Apr 28) in Columbia, based on its local frost dates. Confidence 88%.
When will bush (snap) bean be ready to harvest in Columbia?
Expect to harvest from around late May (May 27–Jun 6) in Columbia, based on its local frost dates. Confidence 79%.
How long is the growing season in Columbia?
Columbia has roughly 248 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 Columbia's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.