When to plant radish in Paris
Radish is cold-hardy, so every date keys off Paris's frost dates of Apr 3.
Step 1 · Sow
Direct sow outdoors
Mar 6 – Mar 27
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 31 – Apr 5
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 21 – Oct 5
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 23 – Oct 28
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Paris's 221-day season leaves this much room.
Radish on Paris'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 3
NOV 11
Common questions
When can I sow radish outdoors in Paris?
Direct-sow around early March (Mar 6–Mar 27) in Paris, based on its local frost dates. Confidence 87%.
When will radish be ready to harvest in Paris?
Expect to harvest from around late March (Mar 31–Apr 5) in Paris, based on its local frost dates. Confidence 78%.
Can I plant radish in autumn in Paris?
Yes — Paris supports a second, autumn sowing of radish around late September (Sep 21–Oct 5), timed to mature before the first fall frost.
How long is the growing season in Paris?
Paris has roughly 221 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 Paris's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.