When to plant pole bean in Billings
Pole bean is frost-tender, so every date keys off Billings's last spring frost of May 8.
Step 1 · Sow
Direct sow outdoors
Jun 10 – Jul 1
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Aug 9 – Aug 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 70 d
Billings's 150-day season leaves this much room.
Pole bean on Billings'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 8
OCT 4
Common questions
When can I sow pole bean outdoors in Billings?
Direct-sow around early June (Jun 10–Jul 1) in Billings, based on its local frost dates. Confidence 87%.
When will pole bean be ready to harvest in Billings?
Expect to harvest from around early August (Aug 9–Aug 19) in Billings, based on its local frost dates. Confidence 81%.
How long is the growing season in Billings?
Billings has roughly 150 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 Billings's frost dates.
Confidence 90/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.