When to plant potato in Fukuoka
Potato is cold-hardy, so every date keys off Fukuoka's frost dates of Mar 15.
Step 1 · Sow
Direct sow outdoors
Mar 1 – Mar 22
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 10 – Jun 29
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Fukuoka's 268-day season leaves this much room.
Potato on Fukuoka'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
HARVEST
MAR 15
DEC 8
Common questions
When can I sow potato outdoors in Fukuoka?
Direct-sow around early March (Mar 1–Mar 22) in Fukuoka, based on its local frost dates. Confidence 72%.
When will potato be ready to harvest in Fukuoka?
Expect to harvest from around early May (May 10–Jun 29) in Fukuoka, based on its local frost dates. Confidence 65%.
How long is the growing season in Fukuoka?
Fukuoka has roughly 268 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 Fukuoka's frost dates.
Confidence 72/100 · NASA POWER (modeled) · 1991–2020 · frost dates are probabilities, not guarantees.