When to plant sweet corn in Nagoya
Sweet corn is frost-tender, so every date keys off Nagoya's last spring frost of Mar 28.
Step 1 · Sow
Direct sow outdoors
Apr 4 – Apr 25
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 3 – Jul 13
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Nagoya's 247-day season leaves this much room.
Sweet corn 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
HARVEST
MAR 28
NOV 30
Common questions
When can I sow sweet corn outdoors in Nagoya?
Direct-sow around early April (Apr 4–Apr 25) in Nagoya, based on its local frost dates. Confidence 84%.
When will sweet corn be ready to harvest in Nagoya?
Expect to harvest from around early June (Jun 3–Jul 13) in Nagoya, based on its local frost dates. Confidence 76%.
How long is the growing season in Nagoya?
Nagoya has roughly 247 frost-free days, which is enough time to grow sweet corn to maturity outdoors.
The rule of thumb
Sow sweet corn 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.