When to plant radish in Edinburgh
Radish is cold-hardy, so every date keys off Edinburgh's frost dates of May 1.
Step 1 · Sow
Direct sow outdoors
Apr 3 – Apr 24
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 28 – May 3
Picking runs until conditions turn against the crop.
Window
Days to maturity
25 – 30 d
Edinburgh's 170-day season leaves this much room.
Radish on Edinburgh'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 1
OCT 18
Common questions
When can I sow radish outdoors in Edinburgh?
Direct-sow around early April (Apr 3–Apr 24) in Edinburgh, based on its local frost dates. Confidence 82%.
When will radish be ready to harvest in Edinburgh?
Expect to harvest from around late April (Apr 28–May 3) in Edinburgh, based on its local frost dates. Confidence 74%.
How long is the growing season in Edinburgh?
Edinburgh has roughly 170 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 Edinburgh's frost dates.
Confidence 82/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.