When to plant kale in Fukuoka

Kale is cold-hardy, so every date keys off Fukuoka's frost dates of Apr 4.
Step 1 · Sow
Start seeds indoors
Feb 21 – Mar 14
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 14 – Apr 4
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 8 – May 28
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 26 – Sep 9
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 27 – Nov 16
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Fukuoka's 239-day season leaves this much room.
Kale 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
APR 4
NOV 30

Common questions

When can I sow kale outdoors in Fukuoka?

Direct-sow around mid March (Mar 14–Apr 4) in Fukuoka, based on its local frost dates. Confidence 45%.

When will kale be ready to harvest in Fukuoka?

Expect to harvest from around early May (May 8–May 28) in Fukuoka, based on its local frost dates. Confidence 40%.

When should I start kale seeds indoors in Fukuoka?

Start seeds indoors around late February (Feb 21–Mar 14) in Fukuoka, based on its local frost dates. Confidence 43%.

When can I transplant kale outdoors in Fukuoka?

Transplant outdoors around mid March (Mar 14–Apr 4) in Fukuoka, based on its local frost dates. Confidence 45%.

Can I plant kale in autumn in Fukuoka?

Yes — Fukuoka supports a second, autumn sowing of kale around late August (Aug 26–Sep 9), 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 kale to maturity outdoors.

The rule of thumb

Sow kale 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.