When to plant eggplant in Nagoya
Eggplant is frost-tender, so every date keys off Nagoya's last spring frost of Mar 28.
Step 1 · Sow
Start seeds indoors
Jan 31 – Feb 21
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 11 – May 2
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 20 – Jul 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Nagoya's 247-day season leaves this much room.
Eggplant on Nagoya'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
MAR 28
NOV 30
Common questions
When will eggplant be ready to harvest in Nagoya?
Expect to harvest from around mid June (Jun 20–Jul 5) in Nagoya, based on its local frost dates. Confidence 76%.
When should I start eggplant seeds indoors in Nagoya?
Start seeds indoors around late January (Jan 31–Feb 21) in Nagoya, based on its local frost dates. Confidence 80%.
When can I transplant eggplant outdoors in Nagoya?
Transplant outdoors around mid April (Apr 11–May 2) in Nagoya, based on its local frost dates. Confidence 84%.
How long is the growing season in Nagoya?
Nagoya has roughly 247 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 Nagoya's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.