When to plant radish in Manchester
Radish is cold-hardy, so every date keys off Manchester's frost dates of May 2.
Step 1 · Sow
Direct sow outdoors
Apr 14 – May 5
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 9 – May 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 22 – Sep 5
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 23 – Sep 28
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Manchester's 161-day season leaves this much room.
Radish on Manchester'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
MAY 2
OCT 12
Common questions
When can I sow radish outdoors in Manchester?
Direct-sow around mid April (Apr 14–May 5) in Manchester, based on its local frost dates. Confidence 84%.
When will radish be ready to harvest in Manchester?
Expect to harvest from around early May (May 9–May 14) in Manchester, based on its local frost dates. Confidence 78%.
Can I plant radish in autumn in Manchester?
Yes — Manchester supports a second, autumn sowing of radish around late August (Aug 22–Sep 5), timed to mature before the first fall frost.
How long is the growing season in Manchester?
Manchester has roughly 161 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 Manchester's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.