When to plant bush (snap) bean in Boise
Bush (snap) bean is frost-tender, so every date keys off Boise's last spring frost of May 2.
Step 1 · Sow
Direct sow outdoors
May 24 – Jun 14
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 13 – Jul 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Boise's 168-day season leaves this much room.
Bush (snap) bean on Boise'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
MAY 2
OCT 17
Common questions
When can I sow bush (snap) bean outdoors in Boise?
Direct-sow around late May (May 24–Jun 14) in Boise, based on its local frost dates. Confidence 86%.
When will bush (snap) bean be ready to harvest in Boise?
Expect to harvest from around mid July (Jul 13–Jul 23) in Boise, based on its local frost dates. Confidence 80%.
How long is the growing season in Boise?
Boise has roughly 168 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 Boise's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.