When to plant potato in Green Bay
Potato is cold-hardy, so every date keys off Green Bay's frost dates of May 4.
Step 1 · Sow
Direct sow outdoors
Apr 25 – May 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 4 – Aug 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Green Bay's 152-day season leaves this much room.
Potato on Green Bay'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
HARVEST
MAY 4
OCT 5
Common questions
When can I sow potato outdoors in Green Bay?
Direct-sow around late April (Apr 25–May 16) in Green Bay, based on its local frost dates. Confidence 85%.
When will potato be ready to harvest in Green Bay?
Expect to harvest from around early July (Jul 4–Aug 23) in Green Bay, based on its local frost dates. Confidence 79%.
How long is the growing season in Green Bay?
Green Bay has roughly 152 frost-free days, which is enough time to grow potato to maturity outdoors.
The rule of thumb
Sow potato as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Green Bay's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.