When to plant eggplant in Fukuoka
Eggplant is frost-tender, so every date keys off Fukuoka's last spring frost of Apr 4.
Step 1 · Sow
Start seeds indoors
Feb 14 – Mar 7
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 28 – Jun 18
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Aug 6 – Aug 21
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Fukuoka's 239-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
FROST
APR 4
NOV 30
Common questions
When will eggplant be ready to harvest in Fukuoka?
Expect to harvest from around early August (Aug 6–Aug 21) in Fukuoka, based on its local frost dates. Confidence 40%.
When should I start eggplant seeds indoors in Fukuoka?
Start seeds indoors around mid February (Feb 14–Mar 7) in Fukuoka, based on its local frost dates. Confidence 43%.
When can I transplant eggplant outdoors in Fukuoka?
Transplant outdoors around late May (May 28–Jun 18) in Fukuoka, based on its local frost dates. Confidence 44%.
How long is the growing season in Fukuoka?
Fukuoka has roughly 239 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 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.