When to plant pole bean in Grand Rapids
Pole bean is frost-tender, so every date keys off Grand Rapids's last spring frost of Apr 30.
Step 1 · Sow
Direct sow outdoors
Jun 2 – Jun 23
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Aug 1 – Aug 11
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 70 d
Grand Rapids's 166-day season leaves this much room.
Pole bean on Grand Rapids'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
APR 30
OCT 16
Common questions
When can I sow pole bean outdoors in Grand Rapids?
Direct-sow around early June (Jun 2–Jun 23) in Grand Rapids, based on its local frost dates. Confidence 84%.
When will pole bean be ready to harvest in Grand Rapids?
Expect to harvest from around early August (Aug 1–Aug 11) in Grand Rapids, based on its local frost dates. Confidence 78%.
How long is the growing season in Grand Rapids?
Grand Rapids has roughly 166 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 Grand Rapids's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.