When to plant radish in Sydney
Radish is cold-hardy, so every date keys off Sydney's frost dates of Jul 25.
Step 1 · Sow
Direct sow outdoors
Jun 27 – Jul 18
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 22 – Jul 27
Picking runs until conditions turn against the crop.
Window
Days to maturity
25 – 30 d
Sydney's 345-day season leaves this much room.
Radish on Sydney'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
JUL 25
JUL 5
Common questions
When can I sow radish outdoors in Sydney?
Direct-sow around late June (Jun 27–Jul 18) in Sydney, based on its local frost dates. Confidence 84%.
When will radish be ready to harvest in Sydney?
Expect to harvest from around late July (Jul 22–Jul 27) in Sydney, based on its local frost dates. Confidence 76%.
How long is the growing season in Sydney?
Sydney has roughly 345 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 Sydney's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.