When to plant pole bean in San Bernardino
Pole bean is frost-tender, so every date keys off San Bernardino's last spring frost of Feb 23.
Step 1 · Sow
Direct sow outdoors
Apr 10 – May 1
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 9 – Jun 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 70 d
San Bernardino's 284-day season leaves this much room.
Pole bean on San Bernardino'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
FEB 23
DEC 9
Common questions
When can I sow pole bean outdoors in San Bernardino?
Direct-sow around early April (Apr 10–May 1) in San Bernardino, based on its local frost dates. Confidence 76%.
When will pole bean be ready to harvest in San Bernardino?
Expect to harvest from around early June (Jun 9–Jun 19) in San Bernardino, based on its local frost dates. Confidence 70%.
How long is the growing season in San Bernardino?
San Bernardino has roughly 284 frost-free days, which is enough time to grow pole bean to maturity outdoors.
The rule of thumb
Sow pole 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 San Bernardino's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.