When to plant turnip in Fukuoka
Turnip is cold-hardy, so every date keys off Fukuoka's frost dates of Apr 4.
Step 1 · Sow
Direct sow outdoors
Mar 14 – Apr 4
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 23 – May 8
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 15 – Sep 29
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Nov 1 – Nov 16
Maturity window for the second sowing.
Window
Days to maturity
40 – 55 d
Fukuoka's 239-day season leaves this much room.
Turnip 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
FROST
APR 4
NOV 30
Common questions
When can I sow turnip outdoors in Fukuoka?
Direct-sow around mid March (Mar 14–Apr 4) in Fukuoka, based on its local frost dates. Confidence 45%.
When will turnip be ready to harvest in Fukuoka?
Expect to harvest from around late April (Apr 23–May 8) in Fukuoka, based on its local frost dates. Confidence 40%.
Can I plant turnip in autumn in Fukuoka?
Yes — Fukuoka supports a second, autumn sowing of turnip around mid September (Sep 15–Sep 29), timed to mature before the first fall frost.
How long is the growing season in Fukuoka?
Fukuoka has roughly 239 frost-free days, which is enough time to grow turnip to maturity outdoors.
The rule of thumb
Sow turnip 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 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.