When to plant turnip in Wellington
Turnip is cold-hardy, so every date keys off Wellington's frost dates of Sep 19.
Step 1 · Sow
Direct sow outdoors
Aug 29 – Sep 19
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Oct 8 – Oct 23
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Mar 18 – Apr 1
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
May 4 – May 19
Maturity window for the second sowing.
Window
Days to maturity
40 – 55 d
Wellington's 256-day season leaves this much room.
Turnip on Wellington'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
SEP 19
JUN 2
Common questions
When can I sow turnip outdoors in Wellington?
Direct-sow around late August (Aug 29–Sep 19) in Wellington, based on its local frost dates. Confidence 50%.
When will turnip be ready to harvest in Wellington?
Expect to harvest from around early October (Oct 8–Oct 23) in Wellington, based on its local frost dates. Confidence 45%.
Can I plant turnip in autumn in Wellington?
Yes — Wellington supports a second, autumn sowing of turnip around mid March (Mar 18–Apr 1), timed to mature before the first fall frost.
How long is the growing season in Wellington?
Wellington has roughly 256 frost-free days, which is enough time to grow turnip to maturity outdoors.
The rule of thumb
Sow turnip 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 Wellington's frost dates.
Confidence 50/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.