When to plant potato in Grand Rapids
Potato is cold-hardy, so every date keys off Grand Rapids's frost dates of Apr 30.
Step 1 · Sow
Direct sow outdoors
Apr 22 – May 13
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 1 – Aug 20
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Grand Rapids's 166-day season leaves this much room.
Potato 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
HARVEST
APR 30
OCT 16
Common questions
When can I sow potato outdoors in Grand Rapids?
Direct-sow around late April (Apr 22–May 13) in Grand Rapids, based on its local frost dates. Confidence 84%.
When will potato be ready to harvest in Grand Rapids?
Expect to harvest from around early July (Jul 1–Aug 20) 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 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 Grand Rapids's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.