When to plant radish in New York City
Radish is cold-hardy, so every date keys off New York City's frost dates of Mar 30.
Step 1 · Sow
Direct sow outdoors
Mar 18 – Apr 8
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 12 – Apr 17
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 29 – Oct 13
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 31 – Nov 5
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
New York City's 234-day season leaves this much room.
Radish on New York City'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 30
NOV 19
Common questions
When can I sow radish outdoors in New York City?
Direct-sow around mid March (Mar 18–Apr 8) in New York City, based on its local frost dates. Confidence 86%.
When will radish be ready to harvest in New York City?
Expect to harvest from around mid April (Apr 12–Apr 17) in New York City, based on its local frost dates. Confidence 80%.
Can I plant radish in autumn in New York City?
Yes — New York City supports a second, autumn sowing of radish around late September (Sep 29–Oct 13), timed to mature before the first fall frost.
How long is the growing season in New York City?
New York City has roughly 234 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 New York City's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.