When to plant bush (snap) bean in Bismarck
Bush (snap) bean is frost-tender, so every date keys off Bismarck's last spring frost of May 15.
Step 1 · Sow
Direct sow outdoors
Jun 7 – Jun 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 27 – Aug 6
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Bismarck's 132-day season leaves this much room.
Bush (snap) bean on Bismarck'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 15
SEP 25
Common questions
When can I sow bush (snap) bean outdoors in Bismarck?
Direct-sow around early June (Jun 7–Jun 28) in Bismarck, based on its local frost dates. Confidence 86%.
When will bush (snap) bean be ready to harvest in Bismarck?
Expect to harvest from around late July (Jul 27–Aug 6) in Bismarck, based on its local frost dates. Confidence 80%.
How long is the growing season in Bismarck?
Bismarck has roughly 132 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 Bismarck's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.