When to plant radish in Nagoya
Radish is cold-hardy, so every date keys off Nagoya's frost dates of Mar 28.
Step 1 · Sow
Direct sow outdoors
Feb 28 – Mar 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 25 – Mar 30
Picking runs until conditions turn against the crop.
Window
Days to maturity
25 – 30 d
Nagoya's 247-day season leaves this much room.
Radish 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 can I sow radish outdoors in Nagoya?
Direct-sow around late February (Feb 28–Mar 21) in Nagoya, based on its local frost dates. Confidence 84%.
When will radish be ready to harvest in Nagoya?
Expect to harvest from around late March (Mar 25–Mar 30) 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 radish to maturity outdoors.
The rule of thumb
Sow radish 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 Nagoya's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.