When to plant spinach in Wellington
Spinach is cold-hardy, so every date keys off Wellington's frost dates of Sep 19.
Step 1 · Sow
Direct sow outdoors
Aug 8 – Aug 29
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Sep 17 – Sep 27
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Mar 23 – Apr 6
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
May 9 – May 19
Maturity window for the second sowing.
Window
Days to maturity
40 – 50 d
Wellington's 256-day season leaves this much room.
Spinach 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 spinach outdoors in Wellington?
Direct-sow around early August (Aug 8–Aug 29) in Wellington, based on its local frost dates. Confidence 50%.
When will spinach be ready to harvest in Wellington?
Expect to harvest from around mid September (Sep 17–Sep 27) in Wellington, based on its local frost dates. Confidence 45%.
Can I plant spinach in autumn in Wellington?
Yes — Wellington supports a second, autumn sowing of spinach around late March (Mar 23–Apr 6), 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 spinach to maturity outdoors.
The rule of thumb
Sow spinach 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.