When to plant bush (snap) bean in San Bernardino
Bush (snap) 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
May 30 – Jun 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
San Bernardino's 284-day season leaves this much room.
Bush (snap) 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 bush (snap) 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 bush (snap) bean be ready to harvest in San Bernardino?
Expect to harvest from around late May (May 30–Jun 9) 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 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 San Bernardino's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.