When to plant eggplant in Fukuoka
Eggplant is frost-tender, so every date keys off Fukuoka's last spring frost of Mar 15.
Step 1 · Sow
Start seeds indoors
Jan 18 – Feb 8
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 29 – Apr 19
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 7 – Jun 22
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Fukuoka's 268-day season leaves this much room.
Eggplant 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
MAR 15
DEC 8
Common questions
When will eggplant be ready to harvest in Fukuoka?
Expect to harvest from around early June (Jun 7–Jun 22) in Fukuoka, based on its local frost dates. Confidence 65%.
When should I start eggplant seeds indoors in Fukuoka?
Start seeds indoors around mid January (Jan 18–Feb 8) in Fukuoka, based on its local frost dates. Confidence 68%.
When can I transplant eggplant outdoors in Fukuoka?
Transplant outdoors around late March (Mar 29–Apr 19) in Fukuoka, based on its local frost dates. Confidence 72%.
How long is the growing season in Fukuoka?
Fukuoka has roughly 268 frost-free days, which is enough time to grow eggplant to maturity outdoors.
The rule of thumb
Sow eggplant 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.